Roof Radiant Barrier Specs

The purpose of the air space is to prevent conductive heat transfer.

Roof radiant barrier specs.

It does not tear easily and is well suited for holding staples in all positions. A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. Radiant barriers integrated with the roof deck sheathing installation of tamko fiberglass asphalt shingles onto roof deck sheathing with an integrated radiant barrier is acceptable. A radiant barrier works best when it is perpendicular to the radiant energy striking it.

Contains a polyethylene fabric with vapor deposited aluminum coating. Radiant barrier specifications. It does not matter which side of the radiant barrier the air space is located. Arma foil spec sheet.

Roseburg radiant barrier sheathing is typically used on roof and exterior wall sheathing. No matter how you plan to install a radiant barrier it must have at least one air space of at least 3 4 of an inch on either side to be effective at blocking radiant heat. If the roof deck sheathing is installed with the radiant barrier facing into the attic space the radiant barrier must be perforated. In fact tests reveal that radiant barrier panels block up to 97 of the sun s radiant energy making the attic up to 30 cooler and reducing indoor hvac cooling costs by up to 17.

The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor. Radiant barrier plywood sheathing rigid strong ultra cool.