Walls 35 Cavity wall insulation fills the cavity between the outside walls with mineral wool, polystyrene beads or foam. Trapped air between fibres, beads or within foam reduces heat loss by ...

The Government has banned 39 solid wall insulation specialists from installing new insulation in people’s homes because of ...

Three main types of blow-in cellulose insulation are used in residential application: loose fill, stabilized, and wall-cavity spray. Spray-in or spray-on polyurethane foam expands to fill cracks ...