Aluminum Foil Attic Insulation

There s plenty of air space for ventilation in the attic.
Aluminum foil attic insulation. 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. A warning about radiant barriers aka foil insulation radiant barrier insulation last week i received an email from a concerned reader who said his 85 year old mother in law had recently purchased a 2 500 radiant barrier insulation system for her 1 800 sf townhouse in austin mn. 26 wide perforated double sided radiant barrier foil for trusses. Laying foil over on top of insulation on the attic floor this is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor.
250 x 4 feet reflective solar guard backed material heat barriers for attic house wraps offices tear resistant. 48 wide perforated double sided radiant barrier foil best selling. This method can be used in any climate though it historically has been most popular in colder climates. 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.
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. 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. Before going any further i must state that am not looking for the aluminum foil to act as an insulator but to only reflect the ir heat from leaving the room. Am not sure but i think the aluminum foil might act as a vapor barriers for which could be a plus.
Aluminum tape aluminum foil tape professional contractor grade 1 9 inch x 150 feet 3 4 mil perfect for sealing patching hot and cold hvac duct pipe insulation home and commercial. Some products are fiber reinforced to increase durability and ease of handling. Houseables radiant barrier insulation aluminum foil roll 1000 square ft. Right now i don t have any vapor barrier up in my attic and so far it looks like only cellulose is being used.
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. Products 60 48 26 rolls.