Vermont Castings BR36 Mounting instructions
WF553
BR/BC36
11/10/97
For Models:
7412944 12/12 Rev. 29
For use in U.S./Canada
Underwriter's Laboratories
Report No. MH7603
Homeowner's Installation
and Operating Manual
2
BR/BC Series Woodburning Fireplaces
7412944
Read all instructions and warnings carefully before starting installation. Failure to
follow these instructions may result in a possible re hazard and will void the warranty.
The BR/BC Series replaces are solid fuel, woodburning
replaces. The BR36/42 (Builder Radiant) is a clean-face
replace and the BC36/42 (Builder Circulating) unit has
xed grilles.
Vermont Castings Group replaces and component parts
have been highly tested and will operate safely when
installed in accordance with instructions provided in this
manual. Carefully read and understand all instructions
beginning installation.
If you notice any damage to replace or component parts,
immediately report damage to your Vermont Castings
Group Fireplaces dealer.
Only use Vermont Castings Group components or the war-
ranty will be voided and a re hazard may be created.
Vermont Castings Group warranty will be voided by and
Vermont Castings Group disclaims any responsibility for
the following actions:
•
•
•
(except for chase
ashings as detailed in Chimney Top installation
instructions).
•
•
Consult local building codes to ensure that you are in
compliance installing the replace.
Fireplaces must be vented to the out-of-doors.
Fuels used in gas, woodburn-
ing or oil red appliances, and the products of combus-
tion of such fuels, contain chemicals known to the State
of California to cause cancer, birth defects and other
reproductive harm.
California Health & Safety Code Sec. 25249.6
The replace should not be located in areas that create
drafts (ie: frequently opened doors and central heating
air inlets/outlets) that hamper the normal ow of air into
the re.
If you plan to install a gas log, the gas line should be in-
stalled framing the replace. The gas line must be
installed by a certied gas line installer.
Safety Information . . . . . . . . . . . . . . . . . . 2
Specications and Framing . . . . . . . . . . 3
Parts Identication . . . . . . . . . . . . . . . . . 5
Chimney Requirements . . . . . . . . . . . . . 6
Planning Information . . . . . . . . . . . . . . . . 7
Installation ....................... 8
Replacement Parts . . . . . . . . . . . . . . . . 19
Accessories .....................20
3
BR/BC Series Woodburning Fireplaces
7412944
BR36 Series specications and framing.
36"
(914mm)
6"
(372mm)
56M"
(337mm)
40" (1016mm)
366"
(930mm)
6"
6" (16mm)
456M" (1162mm)
456M"(1162mm)
56O" (13mm)
56O"
6M" (1645mm)
6"
(187mm)
20"
(508mm)
56O"
(521mm)
" (559mm)
6M"
(502mm)
"
(533mm)
406M"
(1035mm)
56O"
(241mm)
6M"
(167mm)
56O"
(191mm)
56O"
(191mm)
Outside
Air
Gas Line
Access
Gas Line
Access
Electrical Access
Recessed
Nailing
Flange
FP526
BR36 SPECS
10/28/98
11" Dia.
(279mm)
Rough Opening Width 41"
Rough
Opening
Height
Rough
Opening
Depth
3" (76mm)
*
(1041mm)
6" (822mm)
8" Dia.
(203mm)
*If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈" (575mm).
BC36 Series specications and framing.
6" (16mm)
56O" (13mm)
56O"
36"
(914mm)
346"
(880mm)
40" (1016mm)
6"
6M"
(502mm)
56O"
(64mm)
56O" (876mm)
"
(533mm)
6M"
(197mm)
56O"
(191mm)
Recessed
Nailing
Flange
FP527
BC36 SPECS
10/28/98
11" Dia.
(279mm)
Rough Opening Width 41"
Rough
Opening
Height
Rough
Opening
Depth
Gas Line
Access
456M" (1162mm)
456M" (1162mm)
6M" (1645mm)
6"
(187mm)
20"
(508mm)
56O"
(521mm)
" (559mm)
406M"
(1035mm)
6"
(372mm)
56M"
(337mm)
366"
(930mm)
3"
(76mm)
56O"
(241mm)
56O"
(191mm)
Outside
Air
Gas Line
Access
Electrical Access
*
(1041mm)
8" Dia.
(203mm)
6" (822mm)
*If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈" (575mm).
4
BR/BC Series Woodburning Fireplaces
7412944
BC42 Series specications and framing.
42"
(1067mm)
346"
(880mm)
46" (1168mm)
6"
6" (16mm)
56O" (13mm)
56O"
6M"
(502mm)
56O" (64mm)
56O" (876mm)
56M"
(540mm)
6M"
(197mm)
56O"
(191mm)
Recessed
Nailing
Flange
FP545
BC42 SPECS
10/28/98
11" Dia.
(279mm)
Rough Opening Width 47"
Rough
Opening
Height
Rough
Opening
Depth
Gas Line
Access
49" (1245mm)
49" (1245mm)
56O" (1765mm)
6"
(187mm)
20"
(508mm)
56O"
(521mm)
" (711mm)
406M"
(1035mm)
6"
(372mm)
56M"
(337mm)
366"
(930mm)
3"
(76mm)
56O"
(241mm)
56O"
(191mm)
Outside
Air
Gas Line
Access
Electrical Access
*
(1194mm)
56M" (895mm)
8" Dia.
(203mm)
*If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈" (575mm).
BR42 Series specications and framing.
42"
(1067mm)
46" (1168mm)
366"
(930mm)
6"
6" (16mm)
56O" (13mm)
56O"
6M"
(502mm)
"
(533mm)
6M"
(197mm)
56O"
(191mm)
Gas Line
Access
Recessed
Nailing
Flange
FP546
BR42 SPECS
10/28/98
11" Dia.
(279mm)
Rough Opening Width 47"
Rough
Opening
Height
Rough
Opening
Depth
49" (1245mm)
49" (1245mm)
56O" (1765mm)
6"
(187mm)
20"
(508mm)
56O"
(521mm)
" (711mm)
406M"
(1035mm)
6"
(372mm)
56M"
(337mm)
3"
(76mm)
56O"
(241mm)
56O"
(191mm)
Outside
Air
Gas Line
Access
*
(1194mm)
Electrical Access
56M" (895mm)
8" Dia.
(203mm)
*If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈" (575mm).
5
BR/BC Series Woodburning Fireplaces
7412944
WF554
BR/BC
Combo of IWF261 AND IWF265
11/10/97
Insulation methods shown are optional
for cold climate, not a requirement for
unit operation.
FP554
Fireplace and chase parts identication.
Termination Cap
Storm Collar
Pan Flashing
Draftstop
Standoff
Surround
Damper Control
Gas Line Knockout
(both sides)
Screen
Grate
Firebox
Metal Safety Strips
(1,2 or 3 pieces)
Outside Air Cover Plate
Electrical Access
Gas Line Access
(both sides)
Nailing Flange
Ceiling Level
Firestop
Batt Insulation
(cut our around restop)
A
B
C
FP1531
hearth dimensions
9/04 djt
BR/BC36 33Z⁄v" 19⁵⁄₈" 15Z⁄v"
(845 mm) (499 mm) (387 mm)
BR/BC42 39Z⁄v" 25⁵⁄₈" 15Z⁄v"
(997 mm) (651 mm) (387 mm)
FP1531
Hearth dimensions.
6
BR/BC Series Woodburning Fireplaces
7412944
0 0 0 0 0 3" 11"
1 0 0 0 0 8Z⁄v" 20"
0 1 0 0 0 11Z⁄v" 25Z⁄v"
2 0 0 0 0 13Z⁄₂" 29Z⁄v"
1 1 0 0 0 16Z⁄₂" 34Z⁄v"
0 0 1 0 0 20Z⁄v" 40³⁄v"
2 1 0 0 0 21³⁄v" 43Z⁄₂"
0 0 0 1 0 26Z⁄v" 51Z⁄v"
0 1 1 0 0 28Z⁄₂" 55Z⁄v"
1 0 0 1 0 31Z⁄₂" 60Z⁄v”
0 1 0 1 0 34Z⁄₂" 65Z⁄₂"
0 0 2 0 0 37Z⁄₂" 70³⁄v"
1 1 0 1 1 41Z⁄₂" 77³⁄v"
0 0 1 1 1 45" 83³⁄v"
0 1 2 0 1 47Z⁄v" 87Z⁄₂"
0 0 0 2 1 51" 94"
0 1 1 1 1 53Z⁄v" 98"
0 0 3 0 1 56Z⁄v" 103Z⁄v"
0 1 0 2 1 59Z⁄v" 108Z⁄₂"
0 0 2 1 1 62Z⁄v" 113Z⁄₂"
0 1 3 0 1 64Z⁄₂" 117Z⁄₂"
0 0 1 2 1 68Z⁄v" 124"
0 1 2 1 1 70Z⁄₂" 128"
0 0 0 3 1 74Z⁄v" 134Z⁄₂"
0 1 1 2 2 78" 140³⁄v"
0 0 3 1 2 81" 146"
0 1 0 3 2 84" 151Z⁄v"
0 0 2 2 2 87" 156Z⁄₂"
0 1 3 1 2 89Z⁄v" 160Z⁄v"
0 0 1 3 2 93" 166³⁄v"
0 1 2 2 2 95Z⁄v" 170³⁄v"
0 0 0 4 2 99Z⁄v" 177³⁄v"
0 1 1 3 2 101Z⁄v" 181³⁄v"
0 0 3 2 2 104Z⁄v" 186Z⁄v"
0 1 0 4 2 107Z⁄v" 191Z⁄₂"
0 0 2 3 2 110Z⁄v" 196³⁄v"
0 1 3 2 3 114" 203Z⁄v"
0 0 1 4 3 117³⁄v" 209³⁄v"
0 1 2 3 3 120" 213Z⁄₂"
0 0 0 5 3 123³⁄v" 220"
¹⁄₂
G + H cannot exceed 20 feet.
Air space clearances: SK8 (2-wall = 1Z⁄₂" and "S" Series (3-wall) = 2"
The following safety rules apply to offset
installations (letters correspond with il-
lustration above):
Height of the chimney is measured
from the hearth to the chimney exit.
BR/BC36 BR/BC42
Maximum: 90'0" 90'0"
Minimum:
Without Elbows 12' 6" 12' 6"
With 2 Elbows* 14' 6" 14' 6"
With 4 Elbows* 21' 0" 21' 0"
Do not use more than 4 elbows per
chimney.
Attach the straps of the return (top) el-
bow to a structural framing member.
The offset (rst) elbow of any pair does
not have straps.
FP269
The chimney cannot be more than 30°
(45° in Canada) from the vertical plane in
any installation*.
The maximum length of the angled run
of the chimney system is 20 feet. (G
plus H cannot exceed 20 feet.)
A chimney support (Model SKCS8)
is required every 6 feet of angled run of
chimney. Chimney supports are required
for every 30 feet and 60 feet (SK8 pipe) or
20 feet and 40 feet (3-wall pipe) of vertical
chimney height above the hearth.
Determine the offset distance of your
chimney arrangement from the centerline
of the replace to the centerline of the
chimney where it is to pass through the
rst ceiling.
This offset distance may not be
your full offset distance. See Examples
2 and 3.
FP282
MBUF
5/26/96
OFFSET
RISE
FP282
Chimney system requirements.
D
RISE
BG
H
B
OFFSET
C
E
6 FT.
G
H
A
HEARTH
FLOOR
CHIMNEY
SECTION
CHIMNEY FLUE EXIT
ELBOW
FP269
MBUF
5/16/96
rev. 5/25
30˚
OFFSET
ELBOW
30˚
OFFSET
ELBOW
30˚
RETURN
ELBOW
30˚
RETURN
ELBOW
SKCS8
SUPPORT
Example 1 Example 2 Example 3
7
BR/BC Series Woodburning Fireplaces
7412944
Major U.S. building codes specify a minimum chimney
height above the roof top. The “Ten Foot Rule” is a re
safety rule and not a draft rule. To ensure proper draft, it
is recommended that you always meet or exceed the “Ten
Foot Rule,” especially when installing a termination on a
high pitch roof. (Fig. 8)
The key points of the "Ten Foot Rule" are:
1. If the horizontal distance from the chimney to the peak of
the roof is 10' (3 m) or less, the top of the chimney must
be at least 2' (610 mm) above the peak of the roof, but
never less than 3' (914 mm) in height above the highest
point where it passes through the roof.
2. If a horizontal distance from the chimney to the peak of
the roof is more than 10' (3 m), a chimney height refer-
ence point is established on the surface of the roof a
distance of 10' (3 m) from the chimney in a horizontal
plane. The top of the chimney must be at least 2' (610
mm) above the reference point, but never less than 3'
(914 mm) in height above the highest point where it
passes through the roof.
Determine how the chimney will be run, length of run and
chimney components required to complete the job. (Fig. 6)
install a chimney below minimum heights.
In planning a chimney system, it is important to know:
1. The height of a chimney is measured from the hearth
to the exit point on the termination.
2. A chimney cannot be offset more than 30° from a vertical
plane.
3. A chimney may run straight up or it may be necessary
to offset it to avoid obstructions.
4. The maximum length of an angled run (total chimney
system) is 20' (6 m).
5. No more than 2 offsets (4 total 30° elbows in U.S./or
2 total 45° elbows in Canada) per replace may be
used.
6. A guy wire stabilizer is required for chimneys extending
more than 6' (1.8 m) above a roof line.
L1
L1
LTMODEL SK
2 WALL CHIMNEY
TOTAL
LENGTH
(LT)
INSTALLED
LENGTH
(L1)
SK81
SK818
SK83
SK84
56O
"
56O
"
56O
"
56O
"
56O
"
56O
"
56O
"
56O
"
FP288
MBUF-INSTALLED LENGTH
6/17/96
Installed lengths of chimney sections.
FP288
AC246
Ten Foot Rule illustration.
2' Min.
2' Min.
3'
Min.
0 To 10'
3'
Min.
0 To 10'
AC246
4/1/96
Reference
Point
Preplanning an installation is very important to ensure
safety and to save time and money. An installer must
predetermine where a replace will be set and how the
chimney system will be run.
A replace may only be mounted on the following sur-
faces:
1. A at combustible surface.
2. A raised wooden platform.
3. A concrete block or other solid object placed beneath
each of the four (4) corners of the replace.
The replace be spaced 1/2" (13 mm) from a com-
bustible back wall and 1/2" (13 mm) from a combustible
side wall or support. (Page 14, Fig. 20)
8
BR/BC Series Woodburning Fireplaces
7412944
The chimney system is supported by the replace for
vertical chimney heights less than 30' (9 m) above the
hearth. Chimney supports are required if the vertical
height exceeds 30' (9 m) with SK8 chimneys or 20' (6 m)
with 3-wall chimneys. Locate chimney supports at ceiling
holes or other structural framing at 30' (9 m) (SK8) or 20'
(6 m) (3-wall) heights. Spacing between chimney supports
exceed 30' (9 m) (SK8) or 20' (6 m) (3-wall). Use
Chimney Support Model SKCS8.
Support
provided by elbow straps fullls the support requirement
only if they are spaced as previously described. (A chimney
support is 2Z⁄₂" (64 mm) long when installed.)
Angled chimney runs require a support every 6' (1.8 m) in
addition to the elbow straps. Chimney supports are used
for this function. (Fig. 9)
A chase is a vertical box-like structure which encloses the
replace and/or chimney. Chases are typically built on the
outside of the house with replace opening cut into the
outer wall of a room. (Page 5, Fig. 5)
If you need help in determining replace location or how
the chimney system should be run, contact your Vermont
Castings Group Fireplaces dealer for assistance.
If you live in a cold climate, it is not required but
that you insulate replace enclosure to
eliminate cold air penetration as much as possible.
Insulate base of replace with a noncombustible insu-
lation rated for a minimum of 300°F. Insulating is
for outside wall installations over a concrete
slab. If replace is installed on a platform, insulation
should be placed on top of the platform replace
is set. (Fig. 10)
When a replace is installed in a chase or on a outside
wall, enclosure should be treated like any outside wall
in a home. Insulation should be installed on the inside
wall as well as the outside wall(s). In a chase, it is also
a good idea to install a restop at the rst ceiling level
above the replace and enclose the chase with sheeting
material. Insulation may then be installed above sheet-
ing material to assure the space around the replace is
totally protected. (Fig. 5)
When installing the chimney, caulk between
outer pipe and restop. It is vital that some air be allowed
to ow through this very thin gap.
FP284
Chimney support installation
IWF284
MBUF
5/25/96
Chimney Sup-
port Strap
SKCS8
9
BR/BC Series Woodburning Fireplaces
7412944
Framing can be constructed before or after the replace
is set in place, however, most installers build the frame
before setting the replace.
Frame replace with 2 x 4 lumber or heavier materials.
Refer to framing dimensions in Figures 1, 2, 3 or 4 for
basic replace specications.
Framing should be positioned to accommodate
wall covering and replace facing material.
If a circulating replace is to be installed, run the 120 VAC,
60 Hz wiring to the left side of installation. Wiring must
be completed the replace is secured and nish
material applied.
Remove the cover plate and electrical knock-out on the
lower left side of the replace and set aside. Follow the
instructions on Page 10 for proper wiring and installation
of the EB1.
If the fan kit is not being installed with the replace, it is
highly recommended that 120 VAC supply be made avail-
able since someone may elect to install a blower at a later
date.
• Wiring should be installed by a certied
electrician.
• Turn off circuit breaker before wiring models.
Once replace is secured, complete wiring the fan kit.
Remove knockout in the center of the back of the EB1
and install listed cable clamps. Feed electrical wire
through listed cable clamp leaving approximately 6" (152
mm) of wire exposed through the EB1. Secure listed
cable clamp to the wire.
Attach white wire from power source to one (1) wire of
receptacle and secure with nut. Attach black wire from
power source to the other wire of receptacle and secure
with nut. Be sure nuts are secured tightly.
Secure EB1 assembly to inside of electrical box cover-
plate using two screws. Attach cover to face of the EB1
while being careful to position excess wire completely
within the EB1, then attach coverplate to replace.
Refer to optional Model FK12 fan kit assembly installa-
tion instructions for eld installation.
Since you have already preplanned the chimney run,
you should know exactly how the installation is to be ac-
complished — how much pipe is required, the number of
elbows, if any, and type of termination to be used.
REPORT TO YOUR DEALERS ANY PARTS
DAMAGED IN SHIPMENT, SPECIFICALLY CHECK THE
END CONNECTION OF CHIMNEY SECTIONS AND
ELBOWS.
Fireplaces may use Vermont Castings Group Model
SK8, or Model S (three wall) chimney systems. The BR/BC
Series Fireplace will accept the SK8 chimney system as
is; but a TWABR adapter collar is required when using
the Model S (triple wall) chimney system. The installation
procedure described in this manual applies to the
SK8 system. Either chimney system may be used, but
be mixed.
FP555
Insulating between platform and replace.
FP555
Platform, insulation
11/10/97
5/11/99 djt
Hard Flat
Surface
Insulation
Platform
10
BR/BC Series Woodburning Fireplaces
7412944
Determine offset distance of your chimney arrangement
from centerline of replace to centerline of chimney where
it is to pass through ceiling.
Locate center point of the chimney on ceiling as though a
straight up chimney arrangement is to be used. Measure
your offset dimension from straight up chimney center
point on ceiling.
The size of the hole in ceiling will vary with the angle at
which the chimney passes through ceiling.
Drive a nail up through ceiling at marked chimney center
point. Go to oor above and see where hole will be cut.
Check to see where existing ceiling joists and other pos-
sible obstructions are located...i.e. wiring, plumbing etc...
If necessary, re-position chimney and/or replace to avoid
obstructions.
Cover replace collar opening and cut proper sized chim-
ney hole in chimney. The SK8 pipe allows you to run pipe
through a typical 16” on center joist without cutting joists.
Frame the ceiling chimney hole as shown in Figure 12. It is
good practice to use framing lumber that is the same size
as the ceiling joists; this is a requirement at attic level.
The following table gives restop spacer model num-
bers:
In order to clear an obstruction, it may be necessary to
offset chimney from vertical. This is accomplished by us-
ing Vermont Castings Group elbows. Use the 30° Offset
Elbow table on Page 6 to determine proper offset and
parts required.
Each offset requires two (2) elbows. The second elbow is
equipped with support straps. It is very important to install
the second elbow in each offset as close to the ceiling
or support as possible so that the elbow straps can be
secured to framing members to help support the weight
of the chimney.
To mark the centerline of the ue, put the replace in nal
position and measure out from the wall: 8Z⁄v" (210
mm)
Mark a spot on the ceiling directly above the replace.
Draw a line parallel to the back wall through this mark.
(Fig. 11)
Using a plumb bob positioned directly over center point
of replace ue collar, mark the ceiling to establish the
chimney center point. (Fig. 11)
FP556
BR/BC
LOCATE CENTER LINE
11/10/97
56M"
(210mm)
FP556
Locate centerline of chimney with plumb line.
Chimney Centerline
Actual Centerpoint
Plumb Line
Plumb Bob
Imaginary
Centerpoint
Typical frame for ceiling chimney hole.
FP551
FP551
BR/BC
9/29/97
AB AB
A"SK" Series framing = 14Z⁄₂" X 14Z⁄₂" (368 x 368mm)
B"S" Series framing = 17Z⁄₂" X 17Z⁄₂" (445 x 445mm)
Existing Ceiling
Joists
Ceiling
New Framing
Members
Chimney Hole
11
BR/BC Series Woodburning Fireplaces
7412944
The of the frame the same as
the hole size selected from Figure 13 in order to provide
the required 1Z⁄₂" (38 mm) of air space between the out-
side diameter of the chimney and the edges of the framed
ceiling hole.
Slide replace into position.
Lift the replace front slightly and slide the metal safety
strips under front bottom edge about 1Z⁄₂" (38 mm), allowing
the remainder to extend in front of rebox. Overlap strips
at least 1/2" (13 mm) to provide a positive joint. (Flat safety
strips are packed with replace.) (Fig. 14)
Safety strips are used to ensure that any combustible ma-
terials in front of the replace are protected even though
a noncombustible hearth extension is required.
If replace is to be elevated above the oor, a “Z” shaped
metal safety strip must be fabricated and used to protect
combustible surfaces in front of the replace. This “Z”
shaped safety strip is not provided but must be fabricated
of metal with each horizontal leg at least 1Z⁄₂" (38mm) wide
and equal in length to the metals strips provided with the
replace.
Safety strips are not required over noncombustible
oors where all supports at the base of the replace are
noncombustible.
Four (4) nailing anges are supplied with the replace
(found on the replace hearth). To level the box and se-
cure it rmly in place, remove the nailing anges from the
hearth and install at the sides of the replace as shown
in Figure 15.
An outside air kit is installed in all BR/BC Series Fireplaces.
If desired, or if local codes mandate the use of an air kit,
then an AK-MST is required to complete the installation
(from air kit to the outdoors). If the outside air kit is to be
used, the AK-MST be installed the re-
place is enclosed. Refer to the AK-MST instructions for
eld installation.
For Canada installations, model CCE-SK Chimney
Collar Enclosure must be used on this replace with Model
SK8 double wall chimney systems.
FP549
Fasten replace in position.
FP549
9/29/97
BR/BC
Nail Top
Standoffs
Nail Side-
Nailing
Flanges
Ceiling chimney hole sizes necessary for installing
restop spacer.
8" Flue SKFS2A SKFS6A
"SK" Series 14Z⁄₂" x 14Z⁄₂" 14Z⁄₂" x 25Z⁄₂"
(368 mm x 368 mm) (368 mm x 648 mm)
8" Flue FS2A FS6A
"S" Series 3-Wall 17Z⁄₂" x 17Z⁄₂" 17⁷⁄₈" x 29⁵⁄₈"
(445 mm x 445 mm) (454 mm x 753 mm)
WF557
BR
11/10/97
56O" (13mm)
Min. Overlap
56O"
(38mm)
"Z"
Safety
Strip
Fire-
Place
Plat-
Form Hearth Ext.
(not supplied)
FP557
Safety strip installation.
Metal Safety Strip
(1,2 or 3 pieces)
12
BR/BC Series Woodburning Fireplaces
7412944
Start by attaching the rst chimney section to the collar on
top of the replace.
Install the pipe as pictured in Figure 16. When you get
a good lock, you will hear the pipe clearly snap together.
Once sections are snap-locked in place, it is extremely
difcult to get them apart.
When installing elbows, only outer pipe will snap- lock.
Middle pipes simply slide into position. Be sure to always
attach straps on upper elbow to a structural framing mem-
ber. (Fig. 17)
Continue installing the pipe as required until pipe is installed
up through the ceiling. At this point, you must install a
restop spacer.
A restop spacer is used to keep pipe spaced properly and
required for safety.
Nail the restop spacer (at each corner) to the framing
members of the ceiling hole. A restop spacer is
not required at the roof.
Hole sizes listed in Figure 13 for angled restop spacers
provide minimum required air space to chimney pipe for
ceiling thickness up to 8" (203 mm). When combined
thickness of ceiling material, ceiling joists and ooring
material exceeds 8" (203 mm), adjustments must be made
in framing to assure that minimum air spaces to chimney
are maintained.
Figure 18 shows different installation procedures for both
an area that is an attic and an area that is not an attic.
If the area above the ceiling an attic, position
the restop spacer with the
ange on the ceiling side and
the angled portion extending
up into the hole.
If the area above the ceiling
an attic, position the restop
spacer with the ange on the
top of the framed hole and
the angled portion extending
down into the hole.
Firestop spacers are not
available for nor are they
required on vertical walls.
Attach straps to a structural framing member.
FP270/271
FP270/271
CR Series
2/19/99 djt
Support Structure
Elbow Strap
(must be tight)
Ceiling Hole
Framing
Angled Firestop
Chimney Support Strap
(must be tight)
UP
FP558
BR
11/10/97
FP558
Install pipe, listening for the snap-lock to fasten.
Pipe Section
Pipe
Rim
Pipe
Rim
Hem
Lance
Installing restop spacer.
FP593
FP593
SR/C
11/20/97
Nails (4)
Firestop
Spacer
Joist
Joist
Firestop
Spacer
Nails (4)
If the attic insulation shield is used, the
restop is not required in the attic installation.
13
BR/BC Series Woodburning Fireplaces
7412944
put any sealant around the area where the outer
pipe slides through the restop spacer. If you seal this
area,
In Canada, an attic insulation shield is required to pre-
vent attic insulation from contacting the chimney section.
If the attic insulation shield is used, the restop is
not required in the attic installation. Framing dimensions
for the chimney hole should measure 14Z⁄₂" x 14Z⁄₂" (368 x
368 mm). An attic shield MUST be installed on top of attic
joists (above the oor level). (Fig. 19)
In the U.S., it is a good idea, although not always
required, to install an attic insulation shield where blown-in
insulation is planned to be used in the attic.
Install the attic insulation shield with the anges on its base
extending down into the framing hole. Nail each corner
of attic insulation shield to the framing members of the
ceiling hole using 8d nails. Attic shields are not required
at the roof.
support is 2Z⁄₂" (64mm) long when installed. Consider this
dimension when determining how many straight chimney
sections are needed.
Chimney supports are generally used in long runs
in a chase installation.
If you encounter additional ceilings, repeat same steps
required for rst ceiling installation. See restop illustration
on Page 12, Figure 18.
Run pipe to rooine. Since chimney system must be
vented to the out-of-doors, you use an approved
termination.
If a chase is used, refer to the installation manual provided
with the termination cap.
Use same procedure detailed in locating center point of
the ue system.
Drive a nail up through roof at the center point. This will
determine center point on outside of the roof.
Size of roof hole varies with the type of chimney termination
installed. Refer to installation instructions provided with the
chimney termination to nd correct size of roof hole.
There must be a 1Z⁄₂" (38mm) air space between outermost
portion of chimney sections and any adjacent combustible
surfaces. (Combustible surfaces include burnable materi-
als such as: ceiling members, joists, ooring, combustible
insulation and roof structures.)
Mark an outline of the roof hole around the center of the
point nail. Hole dimensions given in the chimney
top installation instructions are dimensions;
therefore, the hole size must be marked on the roof ac-
cordingly.
Cover the opening of the installed chimney so debris can-
not get into the system.
Cut and frame the hole. It is good practice to use framing
lumber that is the same size as the rafters. Install the frame
securely because the chimney top and ashing anchored
to the frame must be able to withstand heavy winds.
FP263
MBUF
5/9/96
Attic
Insulation
Shield
Base
Flanges
Ceiling
Attic Joist
Nails
(4 required)
FP263
Attic shield installlation (Canadian requirement).
Continue attaching pipe sections to complete system
to next level always being careful that the pipe is rmly
snapped locked in place before proceeding to next pipe
section.
If chimney supports are required, they are installed the
same as elbows. Nail chimney support straps to adjacent
structural framing, as shown on Figure 9, Page 8. Bend
straps as necessary and make sure they are secure so
they will support the weight of the chimney. A chimney
14
BR/BC Series Woodburning Fireplaces
7412944
Since you have already preplanned the height of your
termination according to the Ten Foot Rule, continue to
install pipe to the predetermined height.
Check the chimney top installation instructions for details
on how high above the roof top the chimney sections (all
pipes) should extend.
Follow the installation instructions provided with the chim-
ney termination you have selected.
Refer to Page 5, Figure 5 for an illustration of a typical
chase installation.
Treatment of restop spacers and construc-
tion of chase may vary with type of building. These
instructions are not a substitute for local building codes.
You check your local building codes to determine
specic requirements for your city or state. Other
building materials may be required in addition to Firestop
Spacers.
All joints between the nished wall and the
replace surround (top/sides) must be sealed with noncom-
bustible material to prevent cold air leakage into the room.
Only noncombustible material may be applied to the facing
of the replace surround. (Black painted area) (Fig. 20)
Finish the wall with material of your choice.
(Fig. 22)If a combustible material is
used below a at mantel shelf, consult your local building
codes for minimum clearance from top of replace opening
to bottom of mantel shelf.
All joints (top, bottom and sides) where wall or decorative
facing material meets replace surround must be com-
pletely sealed with a noncombustible material. (Figures
21 and 22)
No side wall protection is required for replaces
installed at 45° to two (2) side walls (corner installation).
Often a decorative surround or vertical portion of the mantel
is desired. If this is constructed of any combustible material
it must be within the safe zone indicated in Figure 23.
FP559
Minimum clearances to combustibles.
Front View Side View
Standoff
Combustible framing material MUST NOT
penetrate AIR SPACE (shaded areas).
Air Space Clearances
Only noncombustible
material may be applied
as facing to the black
fireplace surround.
Wall
Shield
Hearth
Extension
0" Clearance
to Floor
Firestop
1/2" (13 mm)
Air Space
to Back
1/2" (13 mm)
Air Space
to Sides
FP559
BR/BC
AIR SPACES
11/10/97
156O" (SK8)
2" (3-WALL)
56O" air space
to sides
15
BR/BC Series Woodburning Fireplaces
7412944
MA81
rev. 8/5/97
1Z⁄₂"
Ref.
Combustible materials are
permitted within a shaded area
shown in Figure 23 titled
Minimum Wall Clearances.
*
**
MA81
Combustible mantel clearances.
Face Plate
12"
(305mm)
Max.
FP531a
BR/BC
mantel clearances
9/03 djt
56O"
12"
(305mm)
Max.
12"
(305mm)
Min.
156O"
(38mm)
*
12"
(305mm)
Min.
156O"
(38mm)
6"
(159mm)
Min.
12"
(305mm)
Max.
12"
(305mm)
Min.
156O"
(38mm)
6"
(159mm)
Min.
Combustible
Mantel and
Trim
Finished
Wall
Header
Standoff
Noncombustible
Material
Radiant
Surround
Face
Fireplace Opening
Combustible
Mantel and
Trim
Finished Wall
Header
Standoff
Noncombustible
Material
Radiant
Surround
Face
Fireplace Opening
Combustible
Mantel and
Trim
Finished Wall
Header
Standoff
Noncombustible
Material
Circulating
Surround
Face
Fireplace Opening
Noncombustible
Facing Material
2 x 4 Stud
Finished Wall
Must be sealed with non-
combustible material
Fireplace Front
FP531a
Mantel clearances.
16
BR/BC Series Woodburning Fireplaces
7412944
Adjacent combustible side walls that are within minimum
dimensions shown in Figure 23 of the replace opening
must be protected with a specically built wall shield as
described in Figure 20.
The special wall shield design described in Figure 20 is
an alternate method of adding protection to side walls. Rt
must =1.85 minimum.
1. Manville - CERAFORM 126, K=.27,
1/2 inches thick
2. Vermont Castings Group - EH2416, K = .458,
1 inch thick required.
(Micor 300)
A hearth extension is required to protect a combustible oor
in front of the replace. Refer to Figure 23 for minimum
dimensions and mounting detail.
The hearth extension described in Figure 23 must be a
durable noncombustible material with a minimum (total)
Rt value of 1.09; see Figure 24 for examples. The overall
height (above a combustible oor), depth and width must
be as indicated, with the extension centered to the replace
opening.
The top of insulation must be covered with a noncombus-
tible decorative covering a piece of .018” minimum sheet
metal, to protect hearth extension material. (Fig. 23)
Secure the hearth extension to the oor to prevent shift-
ing, using trim molding or other similar means at three (3)
outer edges. Seal crack between the replace hearth and
hearth extension with a noncombustible material. (Figs.
23 and 25)
Minimum Wall Clearances
WITH
Noncombustible
Surround Facing
WITHOUT
Noncombustible
Surround Facing
Minimum Hearth Extension Dimensions
(for On-Site Construction)
G
HG
J
Seal cracks
between the
fireplace
and hearth
extension with
noncombustible
material
Safety strips
must overlap
1/2" minimum
May install
noncombustible
decorative
covering
OR .018" min.
sheet metal Fireplace
Hearth
Combustible
Floor
1/2” Min.
EH2416 or
Equal “R”
Value
4" MIN.
FP594
SR/SC
11/20/97
Firebox
Opening
A - Min. clearance
to combustible
perpendicular wall
B - Min. clearance
to combustible
perpendicular wall when
using noncombustible wall shield*
Side
Wall Side
Wall
F**
C**
E
ED
4" Brick
(Example material)
Combustible material permitted within shaded area.
* Noncombustible wall shield requires 1" CFM Corporation
EH2416 insulation (minimum R Value = 1.85) between
decorative noncombustible rigid covering and combustible wall.
Minimum height and width is 40" x 40".
** Dimension/degree of angle will vary depending on thickness
of noncombustible surround facing.
4"
Shaded area starts
1/2" away from
edge of unit
FP594
Combustible side wall protection and hearth extension dimensions.
A B C D E F G H J
BR/BC36 16" 12" 48° 41° 18" 14" 9" 16" 54"
406 mm 305 mm 457 mm 356 mm 229 mm 406 mm 1372 mm
BR/BC42 20" 12" 42° 35° 18" 14" 12" 20" 66"
508 mm 305 mm 457 mm 356 mm 305 mm 508 mm 1676 mm
17
BR/BC Series Woodburning Fireplaces
7412944
To determine the thickness required for any mate-
rial:
NEW K of new material (per inch) thickness
required = --------------------------------------- X o f
listed
thickness K of listed material (per inch) m a t e -
rial
T (new) = 5.0/0.458 x 0.50 in. = (new required
thickness).
Alternate noncombustible materials may be used providing
the (total) thermal resistance (Rt value) of the alternate
material employed is greater than or equal to R = 1.09
Thermal resistance (R) or thermal conductivity (K), may be
obtained from manufacturer of the material. Factors are
related by the formula K = 1/R. (Fig. 24)
T = given thickness
R = thermal resistance for a given thickness (T)
K = thermal conductivity
Noncombustible material with a lower R value may be
used, provided thickness of material is sufciently greater
to maintain an equivalent (total) thermal resistance (Rt).
COMMON MATERIALS AND FACTORS
MATERIAL K* R MINIMUM
THICKNESS
EH2416
Micor 300
Common Brick
0.458
5.0
1.09 0.50 in.**
0.10 5.46 in.**
R Value is for 1/2 inch.
* Units of K = BTU/SQ FT/HR/˚F/IN
** Thickness of Listed Material
FP533ADD
Addendum
6/1/99 djt
8/4/99 changed .2 to .1
one inch to 1/2 inch djt
FP533ADD
Hearth extension material factors.
FP550
Sealing gaps.
FP550
BR/BC - SEALING
DETAILS
9/29/97
Wall Covering
Noncombustible
Decorative
Facing
Noncombustible
Decorative
Covering
Seal all cracks
between fireplace
surround and wall
materials with
noncombustible
material.
Seal crack
between fireplace
and hearth extension
with noncombustible
material.
2x4" HEADER -
Do not notch at
standoffs.
Safety Strips -
Must be overlapped
56O" minimum.
Hearth
Extension
Insulation
Side View
2”
(51 mm)
2”
(51 mm)
Maximum
14”
(356 mm)
Maximum
10”
(254 mm)
A
A
&0
ALCOVEINSTALLATION
Minimum
33”
(838 mm)
Minimum
36” (914 mm)
6”
(152 mm)
Minimum
Minimum .030 Thick Stain-
less Steel Plate
Insulation with Minimum R
Value of 2.75
Minimum .030
Thick Stainless
Steel Plate
If noncombustible material is not used between the
stainless steel plate and replace opening, the steel must be
attached to the front of the unit a minimum of four (4) places
on each piece with sheet metal screws no longer than 1/2".
Recessed installation.
FP1608
Hearth
Extension
Hearth Extension
Noncombustible
Material
(if desired)
Insulation
with Minimum
R Value
of 2.75
18
BR/BC Series Woodburning Fireplaces
7412944
Only unvented gas log sets which have been found to comply with the
Standard for Unvented Room Heaters, ANSI Z21.11.2, are to be installed
in this replace.
Vermont Castings Group replaces are designed to accept
a 1/2 inch gas line for installation of an approved gas ap-
pliance. (Vermont Castings Group manufactures a wide
variety of gas logs for use in Vermont Castings Group
replaces.)
Be sure to have the appliance installed in accordance with
building codes.
Gas connection may enter from either left or right side of
the replace.
Locate appropriate gas line in the outer casing of replace
and remove insulation from gas line tube. (Fig. 27)
From inside the replace, locate the knockout on the re-
brick -- be sure you are on the appropriate or "gas line" side
of the replace. Using a at bladed screwdriver or small
chisel and hammer, carefully tap around the knockout until
it loosens and falls out.
Install 1/2 inch certied gas pipe through opening. After
gas pipe installation is complete, use insulation that was
removed from gas line tube to repack space around the
pipe. Material should be inserted from outside of the re-
place and packed tightly to totally seal between the pipe
and tube.
When installing an ANSI Z21.11.2 ventless appli-
ance, the nishing material used for the mantel must be
rated at 250°F or greater.
BTU input of a gas appliance installed in replace should
be rated less than 100,000 BTU/Hr.
Gas pipe installation is intended for connection to a deco-
rative gas appliance only when (1.) incorporating an auto-
matic shutoff device and (2.) complying with the Standard
for Decorative Gas Appliances for Installation in Vented
Fireplaces (ANSI Z21.60) CSA draft requirements for
Gas-Fired Log Lighters for Woodburning Fireplaces (Draft
No. 4, August 1993).
Decorative gas appliance should be installed in accordance
with the National Fuel Gas Code, ANSI Z223.1/NFPA 54
(latest edition).
FP560
Gas line access.
1"
Min.
WF560
BR/BC
11/10/97
1/2"
Hole in Outer Casing
Supply Line
Repack Insulation
Ceramic Knock-
out
(both sides)
Hole in Outer
Casing
Ceramic
Knockout
Gas Line
Tube
19
BR/BC Series Woodburning Fireplaces
7412944
1
2
3
4
5
6
a
b
c
7
8
9
10
11
944
BR/BC parts
5/16/00 djt
d
12
Vermont Castings Group reserves the right to make changes in design, materials, specications, prices and discontinue colors and products at any
time, with out notice.
1. Damper Blade Weld Assembly RP199 RP199
2. Damper Bracket 3030176 3030176
3. Screen Rod (two per replace) 26D0132 61D0500
4. Screen Mesh (two per replace) 26D0131 26D0131
5a. Firebrick - Hearth* 3030103 or 20007494 3032103 or 20007496
5b. Firebrick - Rear* 3030102 or 20007495 3032102 or 20007497
5c. Firebrick - Rt. Side* 3030160 or 20007492 3030160 or 20007492
5d. Firebrick - Lt. Side* 3030104 or 20007493 3030104 or 20007493
6. Top Brick Retainers (three per replace) 3030172 3030172
7. Cable Clips (four per replace) 7512135 7512135
8. Hearth Pan Cover (BC Only) 3031104 3031104
9. Outer Collar Assembly (SK8 Chimney) 3030143 3030143
10. Nailing Flange - Bag of 4 w/screws 2253160 2253160
11. Basket Grate 3030129 3030129
12. O.S.A. Assy. 20003076 20003076
* When ordering replacement rebrick, check the serial number and plant code of the replace, located on the UL label
inside the rebox. Serial numbers/plant code with an 'H' or 'P' require the rebrick listed rst under the respective re-
place (grey brick). Serial numbers/plant code with an 'X' require the rebrick listed second under the respective replace
(white brick).
20
BR/BC Series Woodburning Fireplaces
7412944
The following accessories for this appliance are available
from your local Vermont Castings Group Fireplaces dis-
tributor. Should you need additional information beyond
what your distributor can furnish, contact: Vermont Cast-
ings Group, 149 Cleveland Drive, Paris, KY 40361, Attn:
Technical Services.
Glass Door — Standard Bi-Fold door set Brushed Brass nish 36GDKBB (BR/BC36)
42GDKBB (BR/BC42)
Black nish 36GDKBK (BR/BC36)
42GDKBK (BR/BC42)
Polished Brass nish 36GDKDP (BR/BC36)
42GDKDP (BR/BC42)
Pewter nish 36GDKS (BR/BC36)
42GDKS (BR/BC42)
Fan Kit Provides forced air ow FK12
Variable Speed Control Provides speed adjustment of fans SCVS
Outside Air Termination Completes connection from air kit to out-of-doors AK-MST
Hearth Extension Insulation Provides hearth extension oor protection EH2416
Grate for BR/BC36/42 Holds rewood in rebox RBBG36
Hearth Patch Compound Patch cracks in hearth HPC-1
Chimney System Adapter Converts replace to a 3-wall chimney system TWABR
Collar
This manual suits for next models
3
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