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SELECT YOUR CHOSEN SUMMERHOUSE & CHECK YOU HAVE ALL YOUR PARTS.

The components provided may be heavy. Please lift with caution and with a minimum of 2 people.

PRESSURE TREATED SUMMERHOUSES COMPONENTS LIST

10

50mm

FOR ALL 

SHED TYPES

TOP TIP: 

Use measuring tape to measure out 3 equal lengths & cut with a 

sharp knife. Hammer the tacks into the felt. Add the tacks at 150mm intervals.

Screw the OSB roof sheets

 into position as shown below into 

the summerhouse frame and beams. 

Measure out 3 equal lengths 

and overlap it on the top, around the 

edges and 

fold the corners

tack to keep secure. 

Ensure 50mm at 

the bottom and work from the bottom to the top.

Secure the fascias and the finial 

with screws as shown below.

CAUTION

Ensure you screw into 
the beam underneath.

TOP TIP: 

Mark onto the OSB sheet and draw a line 

to ensure you drill and screw into the frame/beams.

Screw the OSB roof sheets

 into position as shown below into the 

summerhouse frame and truss. Ensure the joining of the OSB roof sheets are 

central on the central beams when placing and screwing down.

CAUTION

Ensure you screw 
into the truss/beams 
underneath.

TOP TIP: 

Mark onto the OSB sheet and draw a 

line to ensure you drill and screw into the truss/beams.

ROOF & FASCIAS

5b

5c

7X5

PRE-DRILL 

WITH 2MM BIT 

FOR ALL STEPS 

BELOW.

7X7 & 8X6

Part Code

Description

No. 

Part Code

Description

No. 

Part Code

Description

No. 

OPM1180PP

Section F - 4ft Panel (1180x 1603mm) 

1

OPM1180PP

Section F - 4ft Panel (1180x 1603mm) 

1

OPM1180PP

Section F - 4ft Panel (1180x 1603mm) 

4

OPM885PP

Section E - 3ft Panel (885x 1603mm) 

1

OPM885PP

Section E - 3ft Panel (885x 1603mm) 

1

OPSUM609WP

Section D - 2ft Window Panel (609x 1603mm) 

4

OPM590WP

Section C - 2ft Window Panel (590x 1603mm) 

2

OPM442PP

Section A - 1.5ft Panel (442x 1603mm) 

4

OPAMPEA8

Apex Section - Back

1

OPM442PP

Section A - 1.5ft Panel (442x 1603mm) 

4

OPM1180WP

Section F - 4ft Window Panel (1180x 1603mm) 

2

OPASUM86MDE

Apex Section - Door

1

OPSUM461WP

Section B - 1.5ft Window Panel (461x 1603mm) 

2

OPSUM461WP

Section B - 1.5ft Window Panel (461x 1603mm) 

2

SDR553X1645PTBI

Door

2

OPAMPEA7

Apex Section - Back

1

OPAMPEA7

Apex Section - Back

1

OPASUM86MFL

Floor

2

OPASUM75MDE

Apex Section - Door

1

OPASUM75MDE

Apex Section - Door

1

28280911

Roof Support Strip (28x28x911mm)

4

SDR553X1645PTBI

Door

2

SDR553X1645PTBI

Door

2

28281143PT

Door Batten (28x28x1143mm)

1

OPASUM75MFL

Floor

1

MSUMBFL37

Floor

2

37280840KD

Beam (37x28x840mm)

8

28160550PT

Window Cover Strip (28x16x550mm)

4

28160550PT

Window Cover Strip (28x16x550mm)

6

28281200PBNPT

Canopy Strip (28x28x1200mm)

1

28280534PT

Interior Sill (28x28x534mm)

2

28280548PT

Interior Sill (28x28x548mm)

4

50121667PPT

Door Weather Strips (50x12x1667mm)

2

28281507

Roof Support Strip (28x28x1507mm)

2

28281049

Roof Support Strip (28x28x1049mm)

4

45121650PPT

Door Hinge Strips (45x12x1650mm)

2

28281143PT

Door Batten (28x28x1143mm)

1

28281143PT

Door Batten (28x28x1143mm)

1

45121142PPT

Kick Plate Strip (45x12x1142mm)

1

37281417KD

Beam (37x28x1417mm)

4

37280978KD

Beam (37x28x978mm)

8

44161583PT

Cover Strip (44x16x1583mm)

7

28281200PBNPT

Canopy Strip (28x28x1200mm)

1

28281200PBNPT

Canopy Strip (28x28x1200mm)

1

40121198PPT

Top of Door Weather Strip (40x12x1198mm)

1

50121667PPT

Door Weather Strips (50x12x1667mm)

2

50121667PPT

Door Weather Strips (50x12x1667mm)

2

40120747PPT

Slamming Strips (40x12x747mm)

2

45121650PPT

Door Hinge Strips (45x12x1650mm)

2

45121650PPT

Door Hinge Strips (45x12x1650mm)

2

SUMBARGE1505PT

Fascia (68x12x1505mm)

4

45121143PPT

Kick Plate Strip (45x12x1143mm)         

1

45121143PPT

Kick Plate Strip (45x12x1143mm)

1

XT5501087

Long Acrylic Window

4

44161583PT

Cover Strip (44x16x1583mm)

9

44161583PT

Cover Strip (44x16x1583mm)

9

26121068PPT

Long Window Side Strips (26x12x1068mm)

8

40121198PPT

Top of Door Weather Strip (40x12x1198mm)

1

40121198PPT

Top of Door Weather Strip (40x12x1198mm)

1

26120553PPT

Long Window Top & Bottom Strips 

(26x12x553mm)

8

40120747PPT

Slamming Strips (40x12x747mm)

2

40120747PPT

Slamming Strips (40x12x747mm)

2

15120497PPT

Beading (15x12x497mm)

4

SUMBARGE1326PT

Fascia (68x12x1326mm)

4

SUMBARGE1326PT

Fascia (68x12x1326mm)

4

85009

PVC Z-Strip 610mm

4

RPET590

Square Window

2

RPET590

Square Window

4

45451346PAII63

Central Beam - Truss (45x45x1346mm)

2

XT4001087

Long Acrylic Window

2

XT4001087

Long Acrylic Window

2

OSB14549118

OSB Sheet - Roof

4

26121068PPT

Long Window Side Strips (26x12x1068mm)

4

26121068PPT

Long Window Side Strips (26x12x1068mm)

4

FIN20010512PT

Finial

1

26120405PPT

Long Window Top & Bottom Strips 

(26x12x405mm)

4

26120405PPT

Long Window Top & BottomStrips 

(26x12x405mm)

4

85014

Felt

1

15120349PPT

Beading (15x12x349mm)

2

15120349PPT

Beading (15x12x349mm)

2

85009

PVC Z-Strip 610mm

2

85009

PVC Z-Strip 610mm

2

OSB150712918

OSB Sheet - Roof

2

45451180PAII63

Central Beam - Truss (45x45x1180mm)

2

FIN20010512PT

Finial

1

OSB129110498

OSB Sheet - Roof

4

85014

Felt

1

FIN20010512PT

Finial

1

85014

Felt

1

Overlap Apex 7' x 5' - 4 Windows (OPASUM75M)

Overlap Apex 7' x 7' - 6 Windows (OPASUM77M)

Overlap Apex 8' x 6' - 4 Windows (OPASUM86M)

(The parts do not have codes on them. They are listed above should you need to order one.)

Summary of Contents for OPASUM75M

Page 1: ...te for spare instructions and more information www forestgarden co uk G Forest Garden Oak Drive Hartlebury Trading Estate Hartlebury Worcestershire DY10 4JB Thank you for purchasing your summerhouse from Forest Garden Simply follow these step by step instructions and our top tips and you ll be enjoying your summerhouse for many years to come If you have any questions or need advice our friendly te...

Page 2: ...0 Turn Buttons QTY 3 50mm L Brackets QTY 4 Cranked Hinges QTY 6 Z Brackets 28mm QTY 8 Tower Bolt QTY 1 1 6 x 30mm Panel Pins QTY 6 1 6 x 30mm Panel Pins QTY 12 If you have purchased the 7x5 summerhouse your specific contents are listed below You will have a slightly different roof assembly compared to the 7x7 and 8x6 Don t worry these generic steps are provided for your step by step build Don t wo...

Page 3: ...ou check that it is level and doesn t deviate by any more than 15mm from edge to edge If this isn t the case the building will twist causing gaps to appear in the sections and the roof doors and windows to misalign There s more information on base preparation on our website www forestgarden co uk Assembly is relatively straightforward if your follow these step by step instructions We recommend get...

Page 4: ... THE GROUND Ideally any concrete base should be the same footprint as the summerhouse to allow surface water to run off without pooling a timber summerhouse base can also be used Raise 50mm above ground level 2 SEAL THE BASE We recommend a treatment containing wax or oil paint the bearers that come into contact with the ground to prevent moisture coming up 3 USE AN END GRAIN PROTECTOR To protect t...

Page 5: ...ections where same size panels are interchangeable IDENTIFY YOUR SUMMERHOUSE From the section layout below identify your summerhouse based on the width and depth dimensions of your summerhouse eg 7x5 You ll need this to identify the side panel positions 5 F E C B B A A APEX 7 5 C A A B B F E F A A APEX 7 7 F A A F F APEX 6 8 F D D D F D Indicates the panel orientation during construction This will...

Page 6: ...ew the door batten down Attach the Apex section by screwing it into the centre of the wall panels and repeat for the other Apex Section 6 EG INTO FLOOR EG SIDES Layout the panels around your summerhouse base Position the floor in your desired location If you have 2 floors turn the floors upside down to secure the sections together by screwing through the adjoining bearers We recommend to start in ...

Page 7: ...e PRE DRILL WITH 2MM BIT FOR ALL STEPS BELOW PRE DRILL WITH 2MM BIT FOR ALL STEPS BELOW LONG SINGLE WINDOW ASSEMBLY PRE DRILL WITH 2MM BIT FOR ALL STEPS BELOW Apply the longer window pane into position Position the window pane onto the Z Strip Trim the Z Strip if necessary Place the 15x12mm beading onto the Z Strip and up against the window pane Secure into place with 3 x panel pins per window Sec...

Page 8: ...16x1583mm Attach the cover strips onto the corners Ensuring they are flush to the bottom edge of the panels as shown below Attach the cover strips onto the adjoining panels Ensuring it is flush to the bottom edge of the panels as shown below Secure the door hinge strips Ensure they re in contact with the door batten and against the door weather strips SIDE WEATHER STRIPS 50x12x1667mm OUTSIDE OUTSI...

Page 9: ...the edges Add one strip onto each sheet as shown below The strip will be the same length as one side of the sheet TOP TIP Layout all the truss components Assemble the truss and screw the U brackets into the center of each beam as shown below Ensure the truss support brackets are added first and flush to the edge of the central beams to establish the correct angle Secure the support bracket hanger ...

Page 10: ...ndow Cover Strip 28x16x550mm 4 28160550PT Window Cover Strip 28x16x550mm 6 28281200PBNPT Canopy Strip 28x28x1200mm 1 28280534PT Interior Sill 28x28x534mm 2 28280548PT Interior Sill 28x28x548mm 4 50121667PPT Door Weather Strips 50x12x1667mm 2 28281507 Roof Support Strip 28x28x1507mm 2 28281049 Roof Support Strip 28x28x1049mm 4 45121650PPT Door Hinge Strips 45x12x1650mm 2 28281143PT Door Batten 28x2...

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