Well we heard some folks were doing this installing reynolds wrap aluminum kitchen foil in their attic to block radiant heat and we wanted to learn more.
Aluminum foil in attic.
For example a 500 sq.
48 wide perforated double sided radiant barrier foil best selling.
26 wide perforated double sided radiant barrier foil for trusses.
I used 12 ft because that is what my attic needed.
Instead of regular sheets of plywood or osb being applied to the roofing joists foil back sheathing is used with the foil facing down toward the attic reducing heat through emissivity more on that later.
Then roll the aluminum foil out starting with the left roll and over lap 1 16th with the second roll.
Foil backed sheathing many homes being built today utilize this form of radiant barrier in the attic.
Roll the paper out into predetermined lengths.
Foil radiant barriers can be applied on top of rafters in new construction before the roof sheathing is installed or on the underside of rafters on houses with an existing roof.
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.
Of attic space with reynold s heavy duty aluminum foil would require purchasing 10 rolls at 5 a piece for a total of 50.
Tape the starting end down with masking tape if you like.
In general installing a radiant barrier in your attic or on your roof will not affect your cell phone s signal.
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.
While there is only a small difference in price the two products are very different.
If you still have concerns that your phone can t handle the interference we recommend you order a free sample of our radiant barrier foil from us so you can test it yourself.
Spray the adhesive to the masking paper in a 2ft wide pattern.
Us energy products 2000sqft 4ft x 500ft diamond radiant barrier solar attic foil reflective insulation reflective aluminum breathable attic roof foil blocks 99 of heat 99 rf signals scif rfid.