Foil Roof Sheathing

However it is also used in wall systems.

Foil roof sheathing. Ap foil provides exceptional heat moisture and air control and when installed correctly eliminates all major thermal bridges that cause heat loss. Radiant barrier roof sheathing is a great product that will reduce your power bill. Thermo ply is manufactured to withstand the most rigorous of job site conditions. The rigid board sheathing has a one inch layer of continuous insulation for maximium wall and worksite efficieny.

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. There are just a few manufacturers that make this unusual type of roof sheathing that has a shiny perforated aluminum foil craft paper laminated to one side of it. The goal of a foil backed osb is to cool the air within the top layer of insulation in the attic or wall by emitting the radiant heat absorbed through the roof or exterior walls which reduces the delta t and lessens the overall energy use in a building. 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.

Foil insulation is a radiant barrier and it works by. Its core is constructed of 4 cross laminated plies that resist puncture breakage and vandalism. 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. Foil backed osb is applied mostly in attics.

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. 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.