Properly insulating a house reduces the flow of heat through the walls and roof, so that a house doesn’t lose heat in the ...

However, while haphazardly shoving some fiberglass insulation into the walls can provide some basic ... For example, if you compress two layers of insulation into a space intended for one layer ...

fitting cavity-wall insulation can be one of the most cost-effective ways to improve your home’s energy efficiency and reduce your energy bills. Most homes built in the past 100 years are built with ...

Cavity wall insulation The gap between two brick walls ... Loft insulation A thick layer of material with a low thermal conductivity reduces the rate of heat transfer from the ceiling into the ...

Walls 35 Cavity wall insulation fills the cavity between the ... Draught excluders around doors and windows. Layers of glass reduce heat loss by conduction. Trapped air between the layers of ...