Roof Insulation

Insulating your flat roof can reduce your roof’s heat loss by around 90% and save you hundreds of pounds a year on your heating bill.

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How it works

Roof insulation works by helping your home to retain heat– reducing the amount of fuel you need to burn for heating and reducing your heating bills in the process.

Flat roofs should ideally be insulated from above using insulation boards. These can be attached either on top on your roof’s waterproof covering or between the timber and the weatherproof layer. It’s ideal to do if you are replacing your roof covering, and is actually a legal requirement in this situation. You can get the insulation installed on the underside of your roof instead, but this may cause condensation issues. Both types of insulation should usually be installed by a contractor.

Cost and Maintenance

A guide to roof insulation types and costs is available here.

Savings

Roof insulation can typically save the average home £180 a year on their heating bills.

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FAQs

I've got a timber framed house - can I still get cavity wall insulation installed?
It's not possible to install cavity wall insulation into timber framed houses.
I live in a flat, can I get cavity wall insulation installed?
It's not practical to insulate a single flat in a block. If the property has cavity walls, the whole building should be insulated.
My loft has been fitted with floorboards - will this cause a problem?
Not necessarily. You can lay the insulation once the floorboards have been taken up, and put the floorboards back over the insulation, or, if you prefer, you can have your insulation lain directly over the floorboards.
What is loft insulation made of?
Typically, loft insulation is a mineral wool made out of glass or rock fibers. You can also get natural loft insulation made of sheep's wool, hemp or cellulose which will remove the need for protective equipment,
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