The secret buy, bargain lovers recently shared on Facebook, is a special insulation foil, which you place behind ... Another was keen to give the sheets a go, writing: ''I have an old house ...

"After fitting this insulation foil ... simply measure the foil sheet against the radiator, cut to size with regular scissors including making slits in the sheet to accommodate the radiator ...

Not the stuff that sits in between your drywall at home, but insulation made from sheet metal, metal foil, high-performance fabrics and composites that manage heat around exhaust and after ...

Used in the interior of sheet metal ducts ... wrapped with fiberglass insulation, and jacketed with a vapor-retardant reinforced foil or plastic film. These ducts provide an efficient, economical way ...

It's available in rolls of foil-backed felt, rock ... Greener types of loose-fill insulation include recycled newspaper. Sheet insulation is designed for insulating the sloping sides of the roof and ...