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10X8 PRESSURE TREATED OSB APEX

2mm Drill bit

x2

Winter = High Moisture = Expansion

Summer = Low Moisture = Contraction

All building’s should be 

erected by two adults

For ease of assembly, you 

MUST

 pilot drill all screw 

holes and ensure all screw 

heads are countersunk.

For assistance please contact customer care on: 01636 821215

Mercia Garden Products Limited, 

Sutton On Trent, 

Newark, 

Nottinghamshire, 

NG23 6QN

www.merciagardenproducts.co.uk

CAUTION

Every effort has been made during the 

manufacturing process to eliminate the 

prospect of splinters on rough surfaces of the 

timber.  You are strongly advised to wear gloves 

when working with or handling rough sawn 

timber.

Please retain product label and instructions for future reference

             

General Instructions

BEFORE YOU START PLEASE READ INSTRUCTIONS CAREFULLY 

- Check the pack and make sure you have all the parts listed. 

- When you are ready to start, make sure you have the right tools at hand (not supplied) including  a Phillips 

screwdriver, Stanley knife, wood saw, step ladder and drill with 2mm bit.

- Ensure there is plenty of space and a clean dry area for assembly. 

TIMBER

As with all natural materials, timber can be affected during various weather conditions. For the duration of heavy 

or extended periods of rain, swelling of the wood panels may occur. Warping of the wood may also occur during 

excessive dry spells due to an interior moisture loss. Unfortunately, these processes cannot be avoided but can 

be helped. It is suggested that the outdoor building is sprayed with water during extended periods of warm 

sunshine and sheltered as much as possible during rain or snow. 

Once your garden building has been installed it will need to be treated as soon as possible and annually to 

prevent the timber from deteriorating and to waterproof it. This is required to maintain the anti-rot guarantee. 

Dip Treated buildings - Require a preservative treatment to protect against rot and decay and a waterproof 

treatment to prevent water ingress

Pressure Treated buildings - Require a waterproof treatment to prevent water ingress

Log Cabins - Are supplied untreated and require a preservative and waterproofing treatment.

BUILDING A BASE

When thinking about where the building and base is going to be constructed: 

Ensure that there will be access to all sides for maintenance work and annual 

treatment.

Ensure the base is level and is built on firm ground, to prevent distortion.  Refer to diagrams for the base 

dimensions,  The base should be slightly smaller than the external measurement of the building, i.e. The cladding 

should overlap the base, creating a run off for water. It is also recommended that the floor be at least 25mm 

above the surrounding ground level to avoid flooding.

TYPES OF BASE

- Concrete 75mm laid on top of 75mm hard-core.

- Slabs laid on 50mm of sharp sand.

Whilst all products manufactured  are made to the highest standards of Safety and in the case of childrens 

products independently tested to EN71 level, we cannot accept responsibility for your safety whilst erecting or 

using this product.

Refer to the instructions pages for your specific product code

01PTOSBA1008DDFW-V2

Pressure Treated Timber

Pressure treating is a chemical process which helps to protect wood against adverse weather which could 

lead to rot or insect damage.

The most common chemicals used to pressure treat wood are 

Alkaline Copper Quaternary

 (

ACQ

), 

Copper Azole

 (

CA

), and 

Micronized Copper Quaternary

 (

MCQ

).

Safety: 

Always wear gloves, eye protection and a dust mask when handling wood. Due to chemicals in 

pressure treated wood, never burn its sawdust or scraps; instead dispose in a landfill.

Summary of Contents for 01PTOSBA1008DDFW-V2

Page 1: ...sible and annually to prevent the timber from deteriorating and to waterproof it This is required to maintain the anti rot guarantee Dip Treated buildings Require a preservative treatment to protect against rot and decay and a waterproof treatment to prevent water ingress Pressure Treated buildings Require a waterproof treatment to prevent water ingress Log Cabins Are supplied untreated and requir...

Page 2: ...1001mm Qty 6 FS2828 1001 PT3 Truss Block 27x44x140mm Qty 6 F2744 G 160 PT3 Door Block 28x28x140mm Qty 2 FS2828 140 PT3 Fascia 12x60x1333mm Qty 4 S1260 1333 PT3 Door Strip 12x60x1016mm Qty 1 S1260 1016 PT3 Door Strip 12x60x530mm Qty 1 S1260 530 PT3 Cover Trim 12x45x1575mm Qty 6 S1245 1575 PT3 Window Strip 12x30x546mm Qty 10 S1230 546 PT3 Door Beading Strip 12x28x1590mm Qty 2 S1228 1590 PT3 Finial Q...

Page 3: ...screws as shown in diagram Position the panels so there is equal spacing between the floor and cladding on all 4 sides Step 2 2 3 3x50mm Screws 50mm screw Pre drill hole Step 3 Fix the remaining plain side and a window side at the corners with 50mm screws as shown in diagram 4 3 6x50mm Screws 50mm screw Pre drill hole Step 4 Fix the remaining window side and the door gable at the corners with 50mm...

Page 4: ... a 50mm screw through the ridge bar into the truss frame ii Align the second truss frame with the first on the opposite side of the ridge bar and fix with a 50mm screw at an angle as illustrated ENSURE SUPPORT BARS ARE MANUALLY SUP PORTED UNTIL FIXED AT BOTH ENDS i ii 9 9 2x50mm Screws 50mm screw Pre drill hole Step 7 ii i i Fix the truss block to the side panel framing with 2 x 50mm screws Positi...

Page 5: ...e building the same way as shown in step 6 through to 8 8x50mm Screws 9 11 10 4x40mm Screws Step 11 Attach another two roof sheets ontop of the two truss s in the same way as stated in step 9a ensuring that the roof sheets sits half way onto each truss frame 20x40mm Screws Attach another truss in the centre of the building the same way as shown in step 6 through to 8 Attach another two roof sheets...

Page 6: ...rews on each eave 20x40mm Screws 6x30mm Screws Fix the final eaves frame to the roof sheet using 3x30mm screws for each sheet 12x30mm Screws 40mm screw Pre drill hole 30mm screw Pre drill hole 30mm screw Pre drill hole 18 Step 12 Once the roof is fixed attatch the building to the floor with 50 mm screws 24 x 50mm Screws b b b b b b b b b b b b b 50mm screw Pre drill hole ...

Page 7: ...1 HANDLE WITH CARE 1 2 3 4 Step 14 Fit the cover trims to the building and secure in place with 40mm screws as shown Pre drill to avoid splitting 18x40mm Screws 16 16 16 16 16 16 40mm screw Pre drill hole Step 15 16x40mm Screws Attatch faisca s to the roof leaving a slight overhang at the top Fit the fascias to the roof over the felt and secure in place with 40mm screws as shown Pre drill to avoid...

Page 8: ...th 2x30mm screws by screwing through the matchboard door into the block 8x30mm Screws 2x30mm Black Screws 6x30mm Screws b c a 12 24 17 30mm screw Pre drill hole 30mm screw b a 15 14 24 Step 16 Fix the door strips to the master door using 5x30mm screws If the strips are attatched to the slave door the doors will not open properly 5x30mm Screws a Use 1x30mm screw to secure the turn button to the mas...

Page 9: ...edges When positioning the styrene sheets ensure there is an equal distance on all sides Attach the remaining 3x window strips to either side of the windows and the centre Secure into place using 3x30mm screws per strip 15x30mm Screws Pre drill hole 30mm screw a b c 19 19 25 a b c d d Side View SILIC O N E SEA LA N T 19 19 19 It is ESSENTIAL that you apply wood treatment immediately after the buil...

Page 10: ...P 18 ...

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