Radiant Foil Attic

The final type of radiant barrier we are looking at is the after market approach which involves stapling radiant barrier foil to the underside of the roofing joists.

Radiant foil attic.

A key advantage to the foil is that it can be installed by the homeowner in an existing attic. If installed on top of attic floor insulation the foil will be susceptible to dust accumulation and may trap moisture in fiber insulation so it is strongly recommended that you not apply radiant barriers directly on top of the attic floor 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 and rot. You need r value on your attic floor and you need a radiant barrier either stapled to the bottom of your rafters or laid out over the attic insulation.

Products 60 48 26 rolls. More buying choices 134 88 8 new offers. How heat enters the attic. While this method of installation is one of the only two approved methods of installation there are a few things not being factored in this question.

48 wide perforated double sided radiant barrier foil best selling. Radiant barrier works by reflecting heat coming off the roof. A majority of unwanted heat in a home during the summer comes from the ceiling above as a result of energy heat transfer from the attic space. Let s take a look at the actual r value of eshield solarguard prodex and bubble foil products.

We take a look at how radiant barriers work the different types of radiant barriers and some of the. 4 1 out of 5 stars 14. How attic foil products work. A radiant barrier can lower heat transfer from attics to the building below keep the attic space cooler and lower cooling costs by up to 17 in warmer climates.

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. 26 wide perforated double sided radiant barrier foil for trusses. Most are about a thick or less.