Reflective Roof Underlayment

Much like a skin sun block.

Reflective roof underlayment.

That foil underlayment at the shingles is used all over texas and actually acts as a reflective 97 uv block to eliminate the heat buildup from sun rays. Radiantguard radiant barrier foil insulation installed in an attics can reduce attic temperatures by up to 30 degrees when stapled with a staple gun to the underside of roof rafters by reflecting 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. Item 169827 model 5003002. Rfoil reflective insulation 2200 series underlayment in an effective energy efficient barrier that can greatly reduce transfer of radiant heat through roofing.

It is a 99 pure polished aluminum facing heat laminated to a closed cell foam core. The underlayment also has a slip proof polymer to the bottom. The underlayment roll is comfortable to sit on the roof floors and walls or anywhere you need it. Between the ceiling of the house and the metal roof you might have a layer to act as a water barrier another one for thermal insulation and yet another reflective layer for insulation.

The most effective radiant barrier sheathing is a structural roof sheathing panel which consists of an osb panel with heat reflecting foil laminated to one side. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Other kinds of radiant barriers combine reflective materials usually aluminium foil with materials like plastic films cardboard and kraft paper. The reflective layer applies in hot regions to resist the build up of heat in the building.

The new 2200 series underlayment s polyethylene bubble material sandwiched by a layer of metalized foil and a white polyethylene sheet provides an added r value of 1 1. Any professional can measure and nail it all over the surface within a few hours. Preferably it is used in conjunction with traditional felt paper. Also the textured fabric lets steep sloppy walkability.

Solar reflective shingles are designed specifically to reduce the absorption of the suns infrared radiation by reflecting ir rays off the surface of the roof thus not allowing the heat to be transferred to the interior of the structure i e. The product is very lightweight and easy to install.