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OPASUM75M FIXING PACK CODE: 

MSUM75FP

OPASUM77M/OPASUM86M FIXING PACK CODES: 

MSUM7786FP

OPASUM77M/OPASUM86M TRUSS FIXING PACK CODE: 

STPK27

Making British gardens great

Missing something?

Call our aftersales team on

0333 777 7089

Need more information?

Call our technical team on

0333 321 3142

Visit our website 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 team is here to help.

ISSUE: 0121

SUMMERHOUSE

INSTRUCTIONS

SIZE RANGE 

(7x5, 7x7, 8x6)

Example of 7x5 Summerhouse

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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