Foil insulation can take any one of a number forms.
Reflective foil wall insulation.
Wall wrap insulation such as sisalation services two main purposes.
Foil insulation is insulation that has a thin layer of reflective foil on one or both sides and is designed to reflect heat.
The purpose of wall wrap insulation.
Most commonly it s supplied as sheets used for sarking laminated onto plasterboard or expanded polystyrene xps or supplied as a backing on concertina style batts.
Found in major outlets such as in home depot s insulation aisle reflectix comes in tightly spooled rolls of 25 by 2 feet of shiny reflective foil look bubble wrap texture insulation in plastic bags.
Whether you use it in a crawl space radiant floor attic or walls you ll find it easy to handle and install.
Firstly it protects the inside of the building from wind moisture and dust effectively sealing it off from much of the elements.
Secondly reflective foil insulates the home by stopping almost all radiant heat transfer.