Upgrading the insulation used for floors and walls can help to reduce a building’s running costs.

Examples of the type materials now available are as follows:

• Excel Warmcel (made from recycled newspaper)
• Pavatex Pavatherm – (made from wooden fibreboards)
• Xtratherm Extra Performance (made from rigid board with foil on both sides)
• Kingspan Kooltherm K7 (this rigid insulation board is made from Styrofoam between silver backings)
• Knauf DIY Space Blanket (this glass mineral wool is wrapped in a plastic covering and comes in rolls)