Double bubble reflective foil insulation 36 inch x 25 ft roll industrial strength commercial grade no tear radiant barrier wrap for weatherproofing attics windows garages rv s ducts more.
Reflective foil in attic.
Yes but a foil product will work much better than a radiant barrier paint ceramic paint additive or micro spheres.
A secondary method of installation instead of installing under the attic rafters is to lay the foil insulation over the attic floor.
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Although this method of laying over the attic floor won t lower the temperature of your attic space it will still reflect up to 97 of the radiant heat that strikes its surface thereby reducing heat transfer from the attic to living spaces resulting in lower utility bills.
Northern california s different temperatures prompt many homeowners to install reflective foil in the attic to preserve the energy.
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.