Foil Roof Sheathing

Foil backed osb is applied mostly in attics.

Foil roof sheathing. Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. Ap foil provides exceptional heat moisture and air control and when installed correctly eliminates all major thermal bridges that cause heat loss. Oriented strand board osb with a thin layer of low emitting aluminum foil attached to one side is a common type of thermal radiant barrier sheathing. Johns manville ap foil faced polyiso foam sheathing boards are available in r values up to r 28 and offer a reflective foil facer on one side and a non reflective facer on the other.

Its core is constructed of 4 cross laminated plies that resist puncture breakage and vandalism. As an added plus weyerhaeuser rbs can even help keep non air conditioned uninsulated rooms like garages workshops and porches cooler increasing a home s usable space. However it is also used in wall systems. Thermax sheathing is a non structural rigid board insulation consisting of a glass fiber infused polyisocyanurate foam core laminated between 1 0 mil smooth reflective aluminum facers on both sides.

The rigid board sheathing has a one inch layer of continuous insulation for maximium wall and worksite efficieny. Foil insulation is a radiant barrier and it works by. Radiant barrier roof sheathing is a great product that will reduce your power bill. Product overview protecting your investment is easy when you use thermo ply protective sheathing on your project.

Thermo ply is manufactured to withstand the most rigorous of job site conditions. Rbs radiant barrier sheathing weyerhaeuser radiant barrier sheathing rbs comes pre fabricated with a reflective foil layer that reflects up to 97 of the sun s radiant energy minimizing heat transfer through the roof and insulation to interior living spaces.