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01PTOSBRA0604SDFW-V1

6x4 Pressure Treated OSB Reverse Apex Shed 

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 880514

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. 

Our buildings are pre treated with a water based treatment**; this only helps to protect 

the product during transit and for upto 3 months against mould.  To validate your 

guarantee and ensure longevity of the product, it is ESSENTIAL the building is treated 

with a wood preserver within the first three months of assembly and thereafter in 

accordance with the manufactures recommendations.  Care must be taken to ensure 

the product is placed on a suitable base.

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 you specific product code

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.

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