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8’ x 12’ 

Overlap Workshop

B

60360200A1

TRUSS SUPPORT QTY 2

OPA8PE

PLAIN END 

OPA812WS

WINDOW PANEL 

QTY 2

OPA812PS

PLAIN PANEL 

QTY 2

WS12X8BRDFL

FLOOR QTY 2 

C

D

E

G

 I

F

45281757PTR

1757mmm BATTEN QTY 8

28120675PARPTR

675mm STRIP QTY 4

OPA8TRUSS

TRUSS

O

A

OPA812DD PARTS LIST

1

3

183513408

ROOF SHEET 

QTY 4

DDRPT

DOOR QTY 2 

OPA8DE

DOOR END 

90121375PAII74PT

1375mm BARGE BOARD QTY 4

60151710PTR

1710mm CORNER STRIP QTY 6

45281835PTR

1835mm BATTEN QTY 4

H

 K

L

M

 J

2

45451630PTR 

1630mm BATTEN QTY 1

R

N

H

Q

56120675PARPTR

675mm STRIP QTY 4

Important : Assembly of 

this shed requires a 

minimum of two adults.

REQUIRED TOOLS : 
(NOT SUPPLIED)

Must Pre-drill for 
each screw used.

PCWIN1

WINDOW QTY 6

Floor

80mm Screw

IMPORTANT, RETAIN FOR FUTURE REFERENCE; READ 

CAREFULLY

This building is pressure treated to ensure longevity of all 
timber components and to protect against rot. This may leave 
a colour difference on some parts that will even out as the 
moisture content stabilises. This will not need additional 
treatment.

- This product must be built on a

 solid level

 base.

- Please keep all plastic bags and small parts away from 
children.
- The roof of this building is not a load bearing structure.
- Timber is a natural material. It will shrink and swell as a 
result of varying moisture content.
- Due to the nature of the material the doors may need some 
trimming for a neater fit.

Technical Helpline:

 0333 7777 089

  8.30 am and 5.00 

pm  Monday to Friday.

Please check all parts prior to assembly

Assembly of damaged parts may be deemed to be 
acceptance and this may affect the remedies you are entitled 
to.
If the product is not constructed in accordance with the 
instructions, or is altered in any way (e.g. painted), the 
manufacturer cannot be held liable for any resulting damage.

The windows are packed 

together tightly, separate before 

assembly.

S

FIN20010512PT

 

FINIAL QTY 2

P

84996

 

675mm PLASTIC STRIP QTY 6

FELT 

85052 

 QTY 3

PLAN VIEW

Screws

Place the panels on top of the completed floor. Make sure that all the panels are tight and flush before fixing them to each 
other using 3x50mm screws.

On the window panels use an 80mm screw to fix the top of the panels and 2 x 50mm screws for the middle and bottom.

When the panels are secured to each other, make sure they are square and fix to the floor using 3x50mm screws for 
each panel making sure the screws are located in to the bearers underneath.

Place the hinge against the inside of the door frame and position the large section of the hinge so 
that it is flush with the inside of the framing as shown and fix with 25mm screws.

Open the hinge and fix the smaller section to the door framing. Again make sure that the hinge is 
flush and that the holes are positioned so that the 25mm screws locate correctly into the batten.

 

N

Fix the 1630mm batten against the end of the door using 
3x70mm screws. Make sure it is flush with the door end’s 
framework.

Fix a turn button to the top and bottom of the batten using 
1x30mm 

(zinc)

 screw for each.

4

Place and secure each angled block using 2x70mm screws. 
Make sure these are 1470mm from the floor level and are 
tight against the framework.

Place the truss so that is sits on the angled blocks. Secure 
this in place by screwing down through the truss into the 
blocks using 2 x 90mm screws for each end.

5

A

D

C

B

A

F

Q

R

 I

HAMMER

SHARP KNIFE

SCISSORS

FLAT HEAD 

SCREWDRIVER

POZI DRIVE 

SCREWDRIVER

TAPE MEASURE

LADDER

P

O

Q

H

P

H

Board

Lip

Attention:

Take care when 

placing the 

screws. These 

can not be 

backed out.

You may need to 

cut the plastic 

strips to size using 

a pair of scissors

Place the window from the outside so that the lip sits on the bottom board as shown.

Place the plastic strips at the top and bottom of the window so that one side butts up 
against the cladding. Fix each strip in place using 2 x security screws.

Position the 675mm strips vertically on either side of each window, so that it overlap 
both windows equally, and fix each with 2 x 25mm security screws.

Fixing Pack (OPA812DDFP)

This fixing pack is used for several products. 
There may be additional fixings.

Not to Scale

Turn Button

 Qty 2

Z’ bracket 

Qty 16

70mm Screw Qty 7

50mm Screw Qty 36

10mm Felt tacks
 Qty 110

25mm Screw Qty 61

30mm Screw Qty 18

30mm Nail Qty 90

Flush Hinge 

Qty 4

25mm Countersunk

Security Screws Qty 40

Hasp & Staple

40mm Screw Qty 18

80mm Screw Qty 3

90mm Screw Qty 4

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