Attic Foil Vs Reflectix

Reflectix website claims 2 layer approach in crawl space like this is similar to r21 fine for my application.

Attic foil vs reflectix.

Before 2nd foil layer then 3 4 in airgap then t g wood. How does atticfoil compare to eshield reflectix prodex bubble foil etc. For example the r 6 1 masonry value is only good if you provide two 3 4 inch airspaces one between reflectix and the masonry wall and another space between the drywall and the reflectix. This equates to a cooler attic resulting in a house that requires less air conditioning usage to maintain comfortable inside.

Therefore when a radiant barrier is installed in a residential attic it blocks 96 of the radiant energy that is being radiated by the hot roofing materials. Reflectix s stated r 14 r values for exterior walls are good only if the reflectix is paired up with r 13 fiberglass batt insulation. When installed properly a reduction of up to 10 in the home s air conditioning usage can result. Or should a switch 1 of my laters with 1 5 inch rigid foam panel between rafters results in roof.

With ducts foil faced bubble wrap will work as a radiant barrier in the winter when the ducts are moving warm air and the surrounding space is cold. Reflectix products are an excellent energy efficient choice for upgrading your attic system. All of the radiant barrier appear to be quality products each prevents radiant heat transfer the primary source of heat flow. Products 60 48 26 rolls.

48 wide perforated double sided radiant barrier foil best selling. Attic foil on the roof leaving the gable vents and ridge vents open. The emissivity of reflectix products is 4. The reason is that the radiant heat is coming from the roof and you re trying to stop it from getting into the attic.

Are foil foam foil bubble wraps fiberglass foil products better. The bubble wrap foil heats up but doesn t radiate that heat to the attic.