Aluminium Foil Attic Insulation
Us energy products double sided reflective heat radiant barrier aluminum foil insulation 1 4 thick r8 double poly air roll.
Aluminium foil attic insulation. Foil radiant barriers can be applied on top of rafters in new construction before the roof sheathing is installed or on the underside of rafters on houses with an existing roof. Foil insulation is a radiant barrier and it works by. For example a 500 sq. 48 wide perforated double sided radiant barrier foil best selling.
Some products are fiber reinforced to increase durability and ease of handling. Us energy products 2000sqft 4ft x 500ft diamond radiant barrier solar attic foil reflective insulation reflective aluminum breathable attic roof foil blocks 99 of heat 99 rf signals scif rfid. Products 60 48 26 rolls. Well we heard some folks were doing this installing reynolds wrap aluminum kitchen foil in their attic to block radiant heat and we wanted to learn more.
So almost 4 years ago june 2010 we put out a blog post offering a free roll of insulation for anyone who would share details of insulating an attic with reynolds wrap kitchen foil. Don t install a radiant foil barrier on top of attic insulation since condensation can form under it even on perforated foil resulting in a buildup of moisture which can reduce the effectiveness of insulation and cause moisture damage. Of attic space with reynold s heavy duty aluminum foil would require purchasing 10 rolls at 5 a piece for a total of 50. 26 wide perforated double sided radiant barrier foil for trusses.
Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. Radiant barriers consist of a highly reflective material usually aluminum foil which is applied to one or both sides of a number of substrate materials such as kraft paper plastic films cardboard oriented strand board and air infiltration barrier material. Roll of ecofoil radiant barrier is only 74 while covering 500 sq ft.