Attic Foil Vs Reflectix

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.

Attic foil vs reflectix.

When installed properly a reduction of up to 10 in the home s air conditioning usage can result. Reflectix products are an excellent energy efficient choice for upgrading your attic system. This equates to a cooler attic resulting in a house that requires less air conditioning usage to maintain comfortable inside. Products 60 48 26 rolls.

Installation instructions and illustrated drawings are recommendations only while proper local construction methods are the responsibility of the installer. The reason is that the radiant heat is coming from the roof and you re trying to stop it from getting into the attic. The emissivity of reflectix products is 4. 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.

Attic foil on the roof leaving the gable vents and ridge vents open. 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. Are foil foam foil bubble wraps fiberglass foil products better. Or should a switch 1 of my laters with 1 5 inch rigid foam panel between rafters results in roof.

48 wide perforated double sided radiant barrier foil best selling. Reflectix website claims 2 layer approach in crawl space like this is similar to r21 fine for my application. The bubble wrap foil heats up but doesn t radiate that heat to the attic. Before 2nd foil layer then 3 4 in airgap then t g wood.

How does atticfoil compare to eshield reflectix prodex bubble foil etc. 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.