HOKLARTHERM Riga III Series User manual

1
A L U M I N U M
O n io n s h a p e d
g r e e n h o u s e
- R ig a -
Assembly Instructions
R IG A S eries II, III, IV
November 2004
Riga Ty p e 3
Tec h n ic a l In forma tion S u bjec t to C h a n g e
M a d e in G erma n y

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Dear garden friend,
Congratulations on the purchase of a RIGA greenhouse from Hoklartherm, Germany.
You w ill find the assembly of the RIGA greenhouse to be q uick and easy if you carefully
follow these Assembly Instructions.
The assembly req uires only tw o people, but it w ill go q uick er if you have access to a 3 rd
person w ho can help from time to time - this person does not need to be especially strong
or handy.
C on ten ts :
H ok lartherm inspectors have carefully check ed the contents of each pack age. Nonetheless,
w e ask you to do the same: Check the contents of each pack age against the table of
contents in this Manual. Call us toll-free if believe you are missing any parts: 1-8 7 7 -7 6 0-
8 5 00.
Note: B efore you call us, mak e sure you have received all the pack ages. Check the F reight
B ill provided by the delivery company’s driver and/or the P ack ing Slip attached to the
outside of one of your pack ages.
C hoos e the b es t loc ation :
P lease choose, if possible, a sunny and protected location for your greenhouse. Avoid a
heavily shaded near buildings and/or trees. H ow ever, also be careful to avoid bright, direct
sunlight (especially in the Southw estern part of the U nited States). H igh-intensity sunshine
is not good for more than a few hours a day. In such areas some protection from trees and/
or buildings is recommended. Shade cloth might also be needed (ask your supplier for
details). F or greenhouses intended for grow ing vegetables such as tomatoes, cucumbers
and melons w e recommend the greenhouse be located in a north-south direction, and for
those to be used for flow ers and pot plants orient it in an east-w est direction.
CAUTION:
Do not attempt to assemble the RIGA greenhouse while a wind is blowing
- your Glaz ing Panels might blow away.
Do not ex pose the Glaz ing Panels, with their special protective film, to bright sunlight or
the film will become permanently glued to the Panels before the film is removed during
installation.
M an u fac tu rer’s L imit to the RIG A w arran ty - G laz in g: 1 0 years . F rame:
1 5 years .
The RIGA has been specially designed to w ithstand heavy w inds, snow storms and other
bad w eather, how ever proper assembly is essential. Mak e sure you assemble the RIGA
greenhouse ex actly according to this manual. In case of any difficulties please call us:
1-8 7 7 -7 6 0-8 5 00. H ok lartherm w ill not w arrant this greenhouse if it is not properly assembled,
neither is the company responsible for damage done by very severe w eather, such as
tornedos, hurricanes, lightning, and/or ‘force majeure’(other acts of God).

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Getting Started :
1) The assembly has to be executed by at least two people - a 3rd person to
help out from time-to-time is recommended!
2) W ork cautiously, with the proper tools. Make sure that the stepladder’s footing
is secure!
3) W e recommend that you work with gloves (although all of the edges have
been filed, it is always possible for you to be cut when handling either the
aluminum or polycarbonate parts).
4) You need the following tools for the assembly:
1 pc Phillips-head Screwdriver for recessed-head screws, siz e # 2
1 pc O pen-jaw wrench, 10 mm (0.4”)
1 pc Screwdriver for slotted screws
1 pc W ater level
1 pc Step L adder, approx. 6-feet high
1 pc File to remove possible sharp edges
1 pc Rubber Mallet
1 pc Measuring Tape
1 pc E lectric or Cordless D rill
1 pc Bungee Cord
1 pc Caulking Gun
IN D E X
Part L ist: Pages 4 & 5
Main Frame Assembly: Pages 6 - 11
Foundation Fram Assembly: Page 10
Roof W indow Assembly: Page 12
Rear W indow Assembly: Page 13
Front D oor Assemble: Pages 14 & 15
Mounting Accessories: Pages 16 & 17
Inserting Rubber Seals: Page 17
Assembling O ptional Shelves: Pages 18 & 19
Care & Maintenance: Page 20
Costume Service: Page 20

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Note: Windows and Door frame parts are
taped together into their own indiv idual
bundles.
1.1 Front & Back Floor Profile 2x
1.2 Side-Floor Profile 2x
1.3 Roof Beam Profile 1x
1.4 Front & Back Crossbars 4x
1.5 Door Support - right side
with 8 holes 2x
1.6 Door Support - left side
no holes 2x
1.7 Door Frame: Top Crossbar 2x
1.8 Roof Window - Crossbar
(RIGA IV & IV s: 2x) 1x
1.9 Rear Wall Middle Crossbar 1x
2.0 Lateral Supports 4x
2.1 Curved Corner Profiles with 1
channel 4x
Detail A = Floor Profile (page 7)
Detail B = Front Crossbar Connection (page 8)
Detail C = Window/Door Hinge (page 16)
Detail D = Window/Door Frame connection (page6)
Detail E = Roof Beam Connection (page 7)
2.2 Curved Center Profiles with 2
channels II 2x ; III 4x ; IV 6x <<<
Basic Frame - Aluminum P arts
and q uantity: 1.1
1.2
1.5
1.3
2.1
1.8
2.0
1.6
1.4
1.7
2.2
1.9
A
B
C
D
E

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clamping plate
hexagon bolt
nut
hexagon bolt
angle bracket
L-connection
connecting angle
angle
automatic window opener*
manuel window opener*
knurled nut
angle
covering plate for roof beam
pan-head tapping screw
pan-head tapping screw
blind plug
door „open“ holder
pan-head tapping screw
hinges*
Silicon
flat-heat screw
flat-heat screw
t-seal
PVC-adapter
flat-heat screw
self-locking nut
flat-head screw
sash lock, small
seal - frame of door*
GHD-seal 1*
wedge seal*
M6 x 16
8 10
60 60
60 60
1 1
8 12
8 12
4 4
66
12
11
11
11
2 2
4 4
12 12
8 8
1 1
16 16
66
11
24 24
44
21 feet 27 feet
1 1
1 1
1 1
6 6
3 3
24 feet 24 feet
M6
M6 x 30
30 x 10 x 4
60 x 27,2 x7,4
40 x 40 x 4
50 x 50 x 5,95
Ø 35 x M6
40 x 30 x 30
4,2 x 13
4,8 x 45
Ø 10
3,5 x 16
4,8 x 25
4,8 x 50
M6 x 20
M6
3,5 x 38
2mm
3-5 mm
6-8 mm
8
50
50
1
8
8
4
6
1
1
1
1
2
4
12
8
1
16
6
1
24
4
21 feet
1
1
1
6
3
24 feet
24 feet
15 feet
wedge seal*
fittings of the door handle*
* parts in separate bags!
29 feet
11
1
24 feet 24 feet
15 feet 15 feet
36 feet 45 feet
Bag(s) with Accessories for Riga 2 S/2 , 3 S/3 and Riga 4 S/4
Please check - according to table - if complete.
designation size no. of pieces
Riga 2 S/2
no. of pieces
Riga 3S/3
no. of pieces
Riga 4 S/4

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Suggestion
Before you begin - read all these instructions to become familiar with each step of the
assembly process. You might decide that you find it easier to complete the assembly process
in a different sequence. Several sequences are possible. For ex ample, some people may
prefer to build all of the greenhouse frame first and then insert the Glazing Panels, while
others may prefer to interchange these steps. Some may prefer to add the O ptional
Foundation/Base Frame at the very beginning (special L-brackets have been provided for you
if you wish to do so) - see page 8 for Foundation Frame installation options. We recommend
the following Assembly Steps:
front-floor profile 1.1
la tera l h oles to a tta c h
c ros s b a rs
III. 1: Step 1: Door Frame Assembly
Connect the Front-Floor Profile with the Upright Profiles of
the door frame.
Carefully slide/push the door profiles # 1.5 and #1.6
along the channel in the front-floor profile
(See picture on the right).
Put the profile with 8 holes
(which will be used for the hinges)
on the right side. You can use the rubber
mallet to tap the Upright Profiles in order
to slide them along. Distance between
both upright profiles should be about 29.5 inches.
The upright door profiles will be attached to the Front Floor
Profile (through their holes) using sheet metal screws 3.5 x 13,
once the front glazing panels have been installed.
Important: Slide 1 hexagon bolt (M6 x 16) down each door
profile channel (See Illustration #2 on left). These are for the
assembly of the Door Frame Cross bars (at the top).
III. 2 :
M6 x 16
v ie w fr o m th e fr o n t
holes for
sheet m etal screw 3 ,5 x13
Step 2: Rear Window Frame Assembly:
Repeat everything in Step 1: However this time slide 2
hexagon bolts (M6 x 16) down the channel of each Door
Profile.
These will be used later to attach the Top Crossbar as well
as the Middle Crossbar (which will be under the window).
III. 3 + III.4 :
crossbeam 1.7
crossbeam 1.9
at back wall
g able-floor profile
Step 3: Attach Front Curved Corner Profiles:
Slide both Corner Curved Profiles (#2.1 - with one channel
each) onto the corners of the Front Floor Profile (#1.1) The
ends of each Curved Corner Profile are slightly different on the
top from the bottom. (See small circular picture on left). Note:
Be sure to check that each bottom end is marked with an X .
Step 4: Mounting of the
Cross Bars in the Door
Frames:
Push 2 hexagon bolts (M 6x16)
into each crossbar #1.7 and
#1.9 as shown in Illustration 2
and connect these to the
hexagon bolts in the upright door
profiles with round mounting
plates (with 4 holes)
screws M6 x 16
here
*too many screws M6x16 are possibly screwed in, it
doesn’ t matter, they can be used elsewhere!
Detail D
L eft S id e D oor
F ram e
no holes
R ig ht S id e D oor
F ram e
with 8 holes
ou tsid e

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curved corner
p rofiles
curved center
p rofiles
appr.1m
Step 6: Connection of the front section to the Side Floor
Profiles:
Now attach both Side-Floor Profiles (#1.2) to the front section by
inserting the aluminum-corner connectors with recessed screws
while at the same time sliding the Curved Corner Profiles (#2.1)
into the Side-Floor Profiles. Tighten the recessed screws. (See
picture on left).
Now you will need a third person or devices that can help
you hold the profiles in the air.
Step 7 : Mounting of Curved Center Profiles with 2 Channels:
Now slide a Curved Center Profile with 2 Channels (#2.2) from the
rear to the front into Side-Floor Profiles (#1.2) Be sure the end
marked with the X is on the bottom. Slide to about 45“ from the
front Corner Profiles.
F ix ing – on the front
with s heet meta l s crews
4,2x 13
Step 8: Mounting of the Roof Beam Profile #1.3:
Lift the Roof Beam (#1.3) and, coming from the back, thread the 2
Curved Center Profiles into the channel of the Roof Beam.
Continue moving the roof beam forward until reaching the front
Curved Corner Profiles and thread them onto the end of the Roof
Beam.Cover the end using the Roof Beam Cover plate and fasten
with sheet metal screws 4,2x13. (See picture on left). Note: Use
3 people for this step: Two to hold up the Curved Profiles and
one to slide the roof beam while standing on a stepladder.
Step 9 : Adding additional Curved Center Profiles #2.2:
Now add more Curved Center Profiles as necessary (Series II
uses only 1 on each side; III uses 2 on each side and IV uses 3
on each side). Slide each along the Side-Floor Profile as well
as the Roof Beam at the same time. Be careful to move the
profile only inches at a time on each end. Preferably one
person pushes at the bottom while the other pushes at the top.
Use Rubber Mallet! Distance between each set is about 45“.
Important information regarding the Mounting of Polycarbonate Glazing Panels:
Warning:Always put the side with the blue protective film towards the outside.
All glazing panels come coated with a special layer of high quality U V inhibiting film,
however this treatment is only applied on one side. In order to identify the U V -coated side a
removable layer of blue protective film has been applied. This film must be removed before
placing the Glazing Panels into any of the channels of the aluminum profiles. Remove
protective film from both sides only one panel at a time as you install each panel.
Suggestion: Mark either the inside or the outside of each panel with a dot from a permanent
marker. That way if you later move the greenhouse you will always know which side of the
panels is coated. The Glazing Panels are not marked. Choose the right one like solving a
puzzle! Have a little fun.
Warning:Do not leave Glazing Panels with the protective film in bright sunlight as the film
will be permanently glued to the Panels.
Detail A
Detail E

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Guiding groove of the window Step 10: Mounting of Roof Glazing Panels:
At this time select one of the largest sheets of the Glazing
Panels and remove the protective film, and insert it into the
channel of a Curved Corner Profile (start either on the right or
left side of the greenhouse). The first time this is quite tricky -
you have to learn how to bend the big sheet correctly. Using 3
people is highly recommended. Use one person standing on
the outside, and one person at the top end (on a stepladder),
and a third in the middle on the inside. Start at the bottom by
inserting the Glazing Panel into the grove/channel in the
Curved Corner Profile, the person standing on the outside
then puts his/her shoe against the other side of the Glazing
Panel to push and hold the glazing in to the grove. Next, using
one hand they guide the rest of the Panel into the grove, while
using their other hand to pull/push the other side of the Glazing
Panel in to the grove, at the same time the person on the
inside provides counter pressure. The person near the top
helps to insert the top half of the Panel. Once completed, one
person holds the Panel in place while the other two slide the
next Curved Center Profile on to the other side of the Glazing
Panel. You can hold this Curved Profile temporaritly inplace
with a bungee-cord.
Now do the same thing on the other side of the greenhouse.
Once completed you have installed one section of Glazing
Panel on each side
Step 11: Placing the Roof Window(s):
(In order to continue, placing the Roof Glazing Panels, you
must decide on which side you want your Roof Window(s).
This might depend on the prevailing wind. It is best not to put
Roof Windows facing a prevailing wind, but put them on the
otherside of the greenhouse. However, without a prevailing
heavy wind from one direction put 1 Roof Window on each
side, in different sections, if installing more than 1 Window
(i.e. RIGA IV).)
Next: place the shorter roof Glazing Panel, in the second
section (from the front), of your RIGA greenhouse, either on the
left or right and side. Slide the next Curved Center Profile on
to the other side of the panel and: (go to step 12).
Step 12: Placing Roof Window Crossbar:
Once you have placed a shorter roof Glazing Panel, add the
Roof Window Crossbar #1.8, on top of the Panel. But, first you
must slide 4 Hexagon Bolts (M6 x16) in to the center channel
of the crossbar. (two of the bolt will be used to attach the
Automatic Window Opener). Bring from the bottom of the two
Curved Center Profiles one of the 3 Hexagon Bolts you placed
in the channel earlier and using a Mounting Plate (round disk
with 4 holes) attach the Crossbar on each side to the Curved
Center Profiles. Making sure the Crossbar is fully pushed
down over the Glazing Panel.
This crossbeam is to screw
together with screws 4,8x45
laterally through the frame of
doors or gable edge profile
respectively. After the glazing.
Detail B

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Step 13: Place rest of Roof Glazing Panels:
Now place the rest of the large Glazing Panels (remember that if you are installing a second
Roof Window) you must place this in one of the other sections as you prefer). When you have
completed the last section attach the back wall.
Step 14: Connection of the Back section to the Side Floor Profiles & to the Roof Beam:
(also refer to step 5)
Now attach both Side Floor Profiles (#1.2) to the back section by means of inserting the aluminum-
corner connectors with recessed screws while at the same time sliding the Curved Corner Profiles
(#2.1) in to the Side-Floor Profiles, tighten the recessed screws. (see picture on previous page). Next
tread the top ends of each of the Curved Corner Profiles onto the Roof Beam and attach the
Roof Beam Cover Plate with screws (4.2 x 13mm).
Step 15: Glazing of Front Wall:
First insert the bottom two Gazing Panels (all most square), one on either side of the door frame
(suggestion: remove the top Crossbar of the Door Frame - to allow you more manouvering space -
you can slide the Door Frame Uprights towards the center). If you have bought the RIGA shelving, you
must slide one M6 x 16 Hexagon Bolt in to each of the Front Crossbars. Than set the Front Crossbars
(#1.4) on top of the bottom Glazing Panels. Then place on top of each Crossbar a Glazing Panel with
the curved edges, making sure the side with the UV-filter in facing outwards (as always). Now
permanently attach the Crossbars to the outersupports (Curved Corner Profiles and Door Frame),
using screws: 4.8 x 45mm (0.2“ x 1.75“). See picture on the left.
Next, insert the small triangular Glazing Panel above the Door Frame (you will have to remove the Top
Crossbar - if you haven‘t already done so). Before, you put the top crossbar back and bolt it in place,
make sure the triangular Panel is inserted such that the bottom edge is perfectly horizontal (if you like,
use a level) and that the top corners at each of the ends of the Crossbar touch the Curved Corner
Profiles.
Step 16: Glazing of the Back Walls:
Follow step 15 to insert the Glazing Panels on each side of the vertical uprights. Than place the
center Galzing Panel in the bottom of the „door“ opening and cap with the Back Wall Crossbar
(#1.9). Make sure you insert 3 Hexagon Bolt (M6 x 16mm) in the channel of the Crossbar. Using
the Round Mounting Plates with 4 holes attach each side of the Crossbar to the „door“ frame -
using the bottom Hexagon Bolts in the door frame. The 3rd Hexagon Bolt in the Crossbar will be
used to attach the Rear Window Opener to.
Next, insert the triangular Panel above the „door“ frame. Same process as in Step 15.

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Insert 3 Hexagon Bolts M
6 x16
Step 17: Assembly of Lateral Supports #2.0:
If you bought the optional shelving (shelving without
legs - specially designed for the RIGA greenhouses) -
refer to page 13 for further instuctions.
If not: Lay 2 of the Lateral Supports (#2.0) on top of the Front
and Back Crossbars one on each side against the Curved
Profiles, attach to the Curved Profiles using the lowest
Hexagon Bolts you put in the Curved Profile channels, tighten
with nuts. Attach in such a manner that the L-shape goes
upwards. If you were to install their shelving later the shelf
trays will lie inside the L.
Install the second set of Lateral Supports (#2.0) about halfway
between the bottom Lateral Supports and the Roof Beam -
stay underneath the Roof Window as shown in the drawing on
page 3.
Roof Window Assembly: see Page 12
Rear Window Assembly: see Page 13
Front Door Assembly: see page 14
Mounting of a Foundation Frame:
If you have purchased the RIGA Foundation Frame (extra high 6“),
you have 2 choices about when to attach it:
(But in either case you must slide 3 Hexagon Bolts (M 6X16) into
the central channel of each Foundation Frame piece: Place one
bolt near the center and one at each end.)
Choice #1: At the beginning: Mount the Foundation Frame by
hooking it into the floor profiles #1.1 and #1.2 before you start to
assemble the RIGA greenhouse. (Many prefer this method).
Special L-brackets have been provided for you to do it this way.
You slide a Hexagon Bolt into the center channel, towards the
middle of each of the 4 Foundation Frame sections and use a L-
Bracket to hook over the Floor Profile and then over the bolts in
the Foundation Frame - hold in place with a nut. You can remove
these brackets if you wish when you have fully assembled the
greenhouse.
Choice #2. When the greenhouse frame has been completed:
You attach/hook the Foundation Frame (see picture on the left) in
single parts to the 4 Floor Profiles (remember to add 3 Hexagon
Bolts to each piece first). You will have to lift each side of the
greenhouse approx. 10-12“ above the ground. Suggestion: Place
some blocks underneath the frame to hold it up or you can lay it
on its side (yes, if you have properly assembled your greenhouse
you can lay it on its side - and this is a good test to find out!)
Either method, once the 4 Foundation Frame pieces have been
put into place you attach the 4 Corner Brackets (see picture on
the left).
A ngle Brack ets
on the Foundation Frame
Stones to lay
horiz ontally
ca 6 - 10 cm