Sheds, Summerhouse, Gates & Timber Information


Greenview Sheds & Fences Ltd pride ourselves in being honest with our valued customers, with this in mind , we would like to make all customers aware that timber is a natural product which may split, warp, and expand/swell depending on prevalent weather conditions.

All these characteristics are completely normal and in no way effect the longevity of the product. A coat of any preservative treatment will help give protection against cracking and splitting, we recommend an oil-based preservative treatment, with a yearly top up of treatment to give the best protection.

Some of our summerhouses come with hardwood doors and windows, to keep them in good condition we recommend treating them with two coats of oil-based preservative, suitable for outdoor joinery as soon as possible on all of the edges inside and out, this will limit the movement of the timber as well as helping to stop cracks and keeping them looking great. If the timbers are left untreated, they are more susceptible to absorbing moisture.

Shed roofing options whether mineral felt or rubber roofing, in extreme heat conditions can also ripple and expand but as soon as normal temperatures resume, the roofing material will quickly revert to its original form.

In most cases  insulation can be installed between your shed’s structural frames. This is a simple DIY job that doesn’t require much expertise. The most common materials used for insulation are as follows, Insulation Slabs, Insulation Boards, Bubble Wrap Foil Insulation, Fiberglass or Sheep Wool Insulation.

Insulation Slabs, Insulation Boards & Fiberglass can be simply pushed and shoved in between the joists. Bubble Wrap Foil Insulation & Sheep Wool Insulation should be stapled into position – that is all it takes!  

After the installation of insulation material, the next step is to fit wallboards or panelling. This fitting is done on the inside of your shed. There is a wide range of options available such as plywood, hardboard or OSB, it is up to you which finish you prefer to use.


With an air-tight shed, you will need controlled ventilation to avoid a degradation of the quality of the air inside the shed and to allow moisture to dissipate. This can resolved using trickle vents to expel the stale air and draw fresh air in. Controlling the air flow is also critical into reducing heat loss. Similarly, warm air carries moisture, which creates dampness/condensation when it gets in contact with a cooler surface. So, you need sufficient air circulation to allow the dampness to disperse. Installing sheep wool insulation will also reduce the potential for dampness. 

Greenview do not guarantee the sheds/summerhouses are 100% water-tight , as in extreme weather conditions water may be blown in through door openings or window fixings etc . this very rarely happens but we like to be open and honest about this possibility.

Please note Greenview do not adjust or trim Gates or Doors free of charge due to swollen timber, as this is a natural occurrence. We can carry out this service for a small charge of £50.00, please ask when purchasing your building/gate.

If you would like to view our how to guide so you can adjust your gate yourself please click here

Once again, this is a natural effect and does not in any way effect the product longevity.

If further problems should arise, please ensure you have read this care sheet thoroughly, as call outs will be subject to charge.

If you have any worries or questions regarding any of the above, please do not hesitate to get in touch and we will happily guide you in the right direction.

Greenview Sheds and Fences

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