Dura-Max DS108 Manual

OWNER’S MANUAL /
Instructions for Assembly
• Tall Walk in Shed
• Quick & Easy Assembly
• Ridge Reinforced Walls
• Wide Double Doors
• Available in Various Sizes
Call us for any missing or damaged parts.
Do not return to the store.
Metal Garden Shed
Size 10’ x 8’ with “Extension Kits”
Customer
Service Hotline
[phone]
www.uspolymersinc.com
Requires twopeopleandtakes2-3hoursforInstallation.
PART 1
ASSEMBLING SHED WITH EXTENSION KIT
PART 2
ADDING EXTENSION KIT TO EXISTING SHED
Note: For shed with extension use this manual only.
Ver: 1.2
ALL PURPOSE METAL STORAGE SHEDS

Duramax Storage Shed
Limited Fifteen Year Warranty
U.S. Polymer Inc. will send a replacement part free of charge, in the event of material defects and or
workmanship for a period of fifteen years from the date of purchase.
This warranty is extended only to the original purchaser. A purchase receipt or other proof of date of original
purchase will be required before warranty service is rendered. In no event shall we pay the cost of flooring,
labor, installation or any other costs related thereto.
This warranty only covers failures due to defects in material or workmanship which occurs during normal
use and does not extend to color change arising due to normal weathering or to damage resulting from
misuse or neglect, commercial use, failure to follow assembly instructions and the owner’s manual (including
proper anchoring of the shed), painting, forces of nature and other causes which is beyond our control.
Claims under this warranty must be made within the warranty period by calling 1-800-483-4674 or mail in
a dated sales slip and clear photograph of the part to:
U.S. Polymers, Inc.
6915 Slauson Avenue
Commerce, CA 90040
We reserve the right to discontinue or change components. If a component has been discontinued or is
not available,
U.S. Polymers, Inc. reserves the right to substitute a component of equal quality as may be compatible.
Limits and Exclusions
There are no express warranties except as listed above. The warrantor shall not be liable for incidental or
consequential damages resulting from the use of this product, or arising out of any breach of this warranty.
All express warranties are limited to the warranty period set forth above . Some states do not allow the
exclusion or limitation on how long an implied warranty lasts, so the above limitations may not apply to
you.
This warranty gives you specific legal rights and you may also have other rights which vary from state to
state or country to country.
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.

Note: Check all parts prior to installation.
CODE DESCRIPTION QTY
BL A BASE BAR BACK LEFT 1
BR A BASE BAR BACK RIGHT 1
BS1A BASE BAR SIDE FRONT LEFT / BACK RIGHT 2
BS2A BASE BAR SIDE FRONT RIGHT / BACK LEFT 2
BBF BASE BAR FRONT LEFT / RIGHT 2
ECA ENTR ANCE TAPPER CHANNEL  1
DCL DOOR COL UMN PROFILE LEFT 1
DCR DOOR COL UMN PROFILE RIGHT 1
ABL A TOP ANGLE BACK LEFT 1
ABR A TOP ANGLE BACK RIGHT 1
AS1A TOP ANGLE SIDE FRONT LEFT / BACK RIGHT 2
AS2A TOP ANGLE SIDE FRONT RIGHT / BACK LEFT 2
SCA SLIDING CHANNEL COVER LEFT / RIGHT 2
SSA SLIDING CHANNEL SUPPORT 1
SL A SLIDING CHANNEL LEFT 1
SR A SLIDING CHANNEL RIGHT 1
RS1A ROOF SUPPOR T FRONT LEFT / BACK RIGHT  4
RS2A ROOF SUPPOR T FRONT RIGHT / BACK LEFT 4
SB1A ROOF SUPPOR T BRACKET FRONT RIGHT / BACK LEFT2
SB2A ROOF SUPPOR T BRACKET FRONT LEFT / BACK RIGHT2
RF1A ROOF FL ASHING FRONT RIGHT / BACK LEFT 2
RF2A ROOF FL ASHING FRONT LEFT / BACK RIGHT 2
RFSA ROOF FL ASHING SIDE FRONT / BACK 4
RFCA ROOF FL ASHING CENTER 2
TSL A DOOR PANEL STRIP TOP LEFT 1
TSR A DOOR PANEL STRIP TOP RIGHT 1
BSL A DOOR PANEL STRIP BOTTOM LEFT 1
BSR A DOOR PANEL STRIP BOTTOM RIGHT 1
DS S DOOR PANEL STRIP SIDE LEFT / RIGHT 2
WCF W ALL PANEL CORNER FRONT LEFT / RIGHT  2
WCB W ALL PANEL CORNER BACK LEFT / RIGHT 2
WS W ALL PANEL SIDE 9
WFL W ALL PANEL FRONT LEFT  1
WFR W ALL PANEL FRONT RIGHT  1
GPL A  GABLE PANEL FRONT LEFT / BACK RIGHT 2
GPR A GABLE PANEL FRONT RIGHT / BACK LEFT 2
GPS GABLE P ANEL SUPPORT 2
RP1A ROOF P ANEL FRONT LEFT / BACK RIGHT 2
RP2A ROOF P ANEL CENTER FRONT LEFT / BACK RIGHT 2
RP3A ROOF P ANEL CENTER FRONT RIGHT / BACK LEFT 2
RP4A ROOF P ANEL FRONT RIGHT / BACK LEFT 2
DPL1A DOOR P ANEL LEFT 1
DPL2A DOOR P ANEL LEFT 1
DPR1A DOOR P ANEL RIGHT 1
DPR2A DOOR P ANEL RIGHT 1
Parts List
Hand Gloves
Cordless Drill - Philips Head
Screw driver - Philips Head
Carpenters Square
Eye Protector
ACCESSORIES
CODE DESCRIPTION QTY
BS BOT TOM SLIDER 4
DH DOOR HANDLE 2
FC FL ASHING END CAP 2
TC TOP CORNER 4
TS TOP SLIDER 4
VC VENTILATION COVER 4
PW PLASTIC WASHER 254
PC PLASTIC SCREW COVER 118
WST WEATHER SRTIPPING TAP  3.4 MTR.
S1 DIA. 4.2 x 10mm. (5/32” x 3/8”)
SHEET METAL SCREW 282
S2 DIA. 4.2 x 16mm. (5/32” x 5/8”)
SHEET METAL SCREW 32
S3 M4 x 10mm. (5/32” x 3/8”)
MACHINE SCREW WITH NUT 104
8’ Step Ladder
Adjustable pliers
Level - 3ft.
Tape Measure
BOTTOM SLIDER
(BS)
VENTILATION COVER
(VC)
TOP CORNERS
(TC) TOP SLIDER
(TS)
PLASTIC WASHER
(PW) PLASTIC SCREW COVER
(PC)
SHEET METAL SCREW
(S1) (S2) MACHINE SCREW WITH
NUT (S3)
FLASHING END CAP
(FC)
DOOR HANDLE
(DH)
ENTRANCE TAPER
CHANNEL (ECA)
SLIDING CHANNEL COVER
(SCA)
DOOR COLUMN PROFILE
LEFT (DCL)
DOOR PANEL STRIP SIDE
(DSS)
SLIDING CHANNEL
(SLA, SRA) SLIDING CHANNEL
SUPPORT (SSA)
ROOF SUPPORT
(RS1A, RS2A)
ROOF FLASHING
(RF1A, RF2A, RFSA)
ROOF SUPPORT BRACKET
(SB1A, SB2A)
ROOF FLASHING CENTER
(RFCA)
DOOR PANEL STRIP
TOP AND BOTTOM
(TSLA, TSRA, BSLA, BSRA)
TOP ANGLE BACK
(ABLA, ABRA)
BASE BAR
(BBF)
BASE BAR
(BLA, BRA, BS1A, BS2A)
TOP ANGLE SIDE
(AS1A, AS2A)
DOOR COLUMN PROFILE
RIGHT (DCR)
ACCESSORIES
PROFILES
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
Tools You Will Need
WEATHER STRIPPING
TAPE (WST) GABLE PANEL SUPPORT (GPS)

Exploded View
WCB
SB2A
WS
WCF
SCA DCL
WFL
DCR
WFR
BS1A
BBF
BBF
ECA
WCB
WS
WS AS1A
SLA
SRA AS2A
ABRA
GPLA
GPRA
SB1A
SB2A
SB1A
GPLA
GPRA
RP1A
RP2A
RP3A
RF2A
RF1A
RF2A
RFCA
RFCA
RFSA
RFSA
RFSA
WS WS WS WS
BLA
ABLA
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
RP4A
RP4A RP3A
RP2A
RP1A
RFSA
RS1A
RS2A
RS1A
RS2A
AS1A
AS2A
WCF
WS
BS2A
BS2A
BS1A
BRA
WS
SCA
RF1A
Left Door
Right Door
GPS
SSA

Note: Check all parts prior to installation.
CODE DESCRIPTION QTY
EBS1 BASE BAR SIDE EXTENSION LEFT 1
EBS2 BASE BAR SIDE EXTENSION RIGHT 1
EAS1 TOP ANGLE SIDE EXTENSION LEFT 1
EAS2 TOP ANGLE SIDE EXTENSION RIGHT 1
ERS1 ROOF SUPPOR T EXTENSION LEFT 2
ERS2 ROOF SUPPOR T EXTENSION RIGHT 2
ERFS ROOF FL ASHING SIDE EXTENSION LEFT/RIGHT 2
ERFC ROOF FL ASHING CENTER EXTENSION 1
WS W ALL PANEL SIDE 2
RP2A ROOF P ANEL EXTENSION RIGHT 1
RP3A ROOF P ANEL EXTENSION LEFT 1
One Extension Parts List
ACCESSORIES
CODE DESCRIPTION QTY
PW PL ASTIC WASHER 38
PC PL ASTIC SCREW COVER 15
WST WEATHER STRIPPING TAPE 1.5 MTR.
S1 DIA. 4.2 x 10mm. (5/32” x 3/8”)
SHEET METAL SCREW 48
S2 DIA. 4.2 x 16mm. (5/32” x 5/8”)
SHEET METAL SCREW 6
S3 M4 x 10mm. (5/32” x 3/8”)
MACHINE SCREW WITH NUT 14
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
ROOF SUPPORT
(ERS1, ERS2)
ROOF FLASHING CENTER
(ERFC)
PROFILES
TOP ANGLE SIDE
(EAS1, EAS2)
ROOF FLASHING SIDE
(ERFS)
BASE BAR
(EBS1, EBS2)
PLASTIC WASHER
(PW) PLASTIC SCREW COVER
(PC)
SHEET METAL SCREW
(S1) (S2) MACHINE SCREW WITH
NUT (S3)
ACCESSORIES
WEATHER STRIPPING
TAPE (WST)

RP2A
RP3A
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
ERS1
ERS2
EAS1
EBS1
EBS2
WS
Left Door Right Door
ERFC
ERFS
ERFS
WS
EAS2
Exploded View with One Extension
SSA
GPS

A. Foundation & Base Frame
1. Use pressure treated wood studs 2”x 4”
(50mm x 88.9mm) to create a platform frame that
has an outside dimension of 94”x 125”
(2387.6mm x 3175mm).
DuraMax must be installed on a level wooden platform
or a level concrete foundation.
Note: It is important that these instructions
are followed step by step.
1
Lay 50 x 88.9mm Flat
Note
(1) Base bar back left  (BLA)
(1) Base bar back right  (BRA)
(2) Base bar side front left / back right (BS1A)
(2) Base bar side front right / back left (BS2A)
(2) Base bar front left / right (BBF)
(1) Entrance taper channel  (ECA)
(20) Sheet metal screw  (S1)
(28) Sheet metal screw  (S2)
Parts needed:
The following are a list of lumber and sizes
you will need.
Wooden Platform (Not Included)
Pressure Treated - Wood Studs:
2ea 2” x 4” x 125” (50mm x 88.9mm x 3175 mm)
6ea 2” x 4” x 87” (50mm x 88.9mm x 2209.9 mm)
Exterior Grade (CDX) - 3/4” (19mm) plywood
2ea 3/4” x 48” x 94” (19mm x 1219.2mm x 2387.6mm)
1ea 3/4” x 29” x 94” (19mm x 736.9mm x 2387.6mm)
L-Brackets: 4ea
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
PART 1: Assembling Shed With Extension Kit
19 1/2”
(495.3mm) 20”
(508mm)
125” (3175mm)
94” (23873.6mm)
L- BRACKET L- BRACKET
21”
(533.4mm)
23 1/2”
(596.9mm)
57 1/4”
(1454.2mm)
24” (609.6mm)
L- BRACKET
L- BRACKET
L- BRACKET
L- BRACKET
48”
(1219.2mm)
62 1/2”
(1587.5mm)
Wooden platform is extra and
is not included. Don’t install
under windy conditions.
Note
(1) Base bar side extension left  (EBS1)
(1) Base bar side extension right  (EBS2)
(8) Sheet metal screw   (S1)
(6) Sheet metal screw   (S2)
Parts needed for each Extension:
1a. Use pressure treated wood studs 2”x 4”
(50mm x 88.9mm) to create a platform frame that
has an outside dimension of 24”x 125”
(609.6mm x 3175mm) for each extension.
OR 1b. Use pressure treated wood studs 2”x 4”
(50mm x 88.9mm) to create a platform frame that
has an outside dimension of 118”x 125”
(2997.2mm x 3175mm) for shed one extension.
2. Using exterior grade CDX 3/4” (19mm) plywood,
cut and fit together the sheets to form solid foundation
as shown. Foundation must be square and level.
The following are a list of lumber and sizes
you will need.
The following are a list of lumber and sizes
you will need.
Wooden Platform (each Extension) (Not Included)
Pressure Treated - Wood Studs:
2ea 2” x 4” x 125” (50mm x 88.9mm x 3175 mm)
3ea 2” x 4” x 17” (50mm x 88.9mm x 431.8 mm)
Exterior Grade (CDX) - 3/4” (19mm) plywood
2ea 3/4” x 24” x 62 1/2” (19mm x 609.6mm x 1587.5mm)
L-Brackets: 4ea
57 1/4”
(1454.2mm)
20”
(508mm)
17” (431.8mm)
62 1/2”
(1587.5mm)
24” (609.6mm)
94” (2387.6mm)
48”
(1219.2mm)
29”
(736.6mm)

3. Assemble base bar back left (BLA) and base
bar back right (BRA) with four (S1) screws.
See fig. 1 & 2.
4. Assemble the base bar side (BS1A), (BS2A)
and extension (EBS1) together with (S1) screws.
See fig. 1 & 2.
Add one (EBS1) for each extension.
2
5. Assemble the base bar side (BS2A) (BS1A),
and extension (EBS2) together with (S1) screws.
See fig. 1 & 2. Add one (EBS2) for each extension.
Fig.1 Fig.2
BLA
BRA
S1
Take care of sharp edges.
Note
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
BS2A
BS1A Fig.1
Fig.2
BLA
BRA
BS1A
BS2A
EBS1
1
2
S1
BS2A
EBS1
S1
EBS2
BS1A
BS2A
1
2
Fig.2
S1
Fig.1
BS2A
EBS2
S1
BS1A
BS1A

3
6. Place the base bar assembly on top of the
foundation. Use (S2) screws to fix the assembly to
foundation. S2
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
Back
BRA
BLA
Left
Front Right
7. Place the base bar side assembly on left side.
Insert the edge of (EBS1) into the back base bar
(BLA) and secure with (S1) screws. See fig. 1
8. Using a carpenter square, line up the corners
secure base bar side assembly to the foundation
with (S2) screws.
S2
BS1A
Place the base bar side assembly on right side.
Insert the edge of (EBS2) into the back base bar
(BRA) and secure with (S1) screws. See fig. 2 BS2A
BS2A
BS1A
S1
BLA
BRA
1
2
BLA
EBS1
BRA
EBS2
S1
Fig.1
Fig.2
S2
EBS1
EBS2
BS1A
BS2A
EBS1
BS1A
BS2A
EBS2

4
9. Place the base bar (BBF) on top of the base bar
side on both side. Secure with (S1) screws on both
corners. See fig. 1 & 2.
11. Place the entrance taper channel (ECA) on
top of the (BBF). Secure with (S2) screws to the
foundation. See fig. 1 & 2.
BBF
Fig.1 Fig.2
BBF
BBF
S1
BBF
S2
Fig.1 Fig.2
IMPORTANT: USE HAND GLOVES TO PREVENT INJURY.
10. Using the carpenter square, line up the corners.
Secure the base (BBF) to the foundation with (S2)
screws.
BBF
BS2A
BBF
BBF
ECA
ECA
BBF
S2