InsulationLoft Insulation

Heat rises, and in an uninsulated home a quarter of your heat is lost through the roof. Insulating your loft, attic or flat roof is a simple and effective way to save that waste and reduce your heating bills – you can even fit insulation yourself.Loft insulation is effective for at least 40 years, and it will pay for itself over and over again in that time.

Choosing loft insulation

Easy access and regular joists

If your loft is easy to access and has no damp or condensation problems, it should be easy to insulate – you could even do it yourself.If access is easy and your joists are regular, you can use rolls of mineral wool insulation. The first layer is laid between the joists – the horizontal beams that make up the ‘floor’ of the loft – then another layer is cross-laid at right angles to cover the joists and make the insulation up to the required depth. This can be done by a competent DIY-er or a professional installer.The recommended thickness for loft insulation is 270mm. The first thing to do is check whether you have any insulation at all in your loft and if you do, how much. You may already have some insulation in your loft but if it is less than the recommended 270mm, you could make further savings on your energy bills by topping it up.

Insulation grants may be available to you if your property lies with a CSCO qualifying postcode area.

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