Radiant Foil 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.

Radiant foil attic.

Let s take a look at the actual r value of eshield solarguard prodex and bubble foil products. Products 60 48 26 rolls. 26 wide perforated double sided radiant barrier foil for trusses. Us energy radiant barrier insulation aluminum foil roll 1000 sqft 4ft x 250ft reflective insulation solar attic radiant heat foil barriers for attic house wraps commercial tear proof.

4 1 out of 5 stars 14. 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. How attic foil products work. 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.

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. In the summer months an attic space is heated by thermal radiation from the sun radiant heat. 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. The best way to use a radiant barrier in a home in arizona is to install some kind of foil type reflective barrier stapled to the trusses in your attic.

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. How heat enters the attic. A key advantage to the foil is that it can be installed by the homeowner in an existing attic. 48 wide perforated double sided radiant barrier foil best selling.

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 barrier works by reflecting heat coming off the roof. 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.