Plus it s perforated to allow moisture vapor to escape.
Fanfold insulation roofing.
Flat roof insulation provides high long term r values and saves labor installation time.
Owens corning foamular 1 4 in.
R tech is also available in 4 x 8 units.
The underlayment is extra durable thanks to flexible plastic facers on both sides.
R tech ff fanfold is a high performance sheathing consisting of a superior closed cell lightweight and resilient expanded polystyrene eps with advanced polymeric laminate facers.
You can always make an intricate fiberglass insulation system.
Suitable for use with all roofing membrane materials expanded polystyrene eps roof insulation is compatible with loose laid and attached single ply membranes conventional built up roofing or modified bitumen systems.
Easy to handle cut and install.
Sizes r tech fanfold roof underlayment is available in nominal thicknesses of 3 8 1 2 and 3 4 with the 4 x 50 fanfold 2 squares.
Individual panel sizes within the fanfold bundle are 2 x 4.
For the best fanfold siding underlayment available choose the greenguard xp series the extruded polystyrene xps foam offers superior stiffness so your siding job has the smoothest finish possible.
Consult local building codes and membrane manufacturers for system requirements.
The engineered eps expanded polystyrene foam core meets astm c578 type 1 standard specification for rigid cellular polystyrene thermal insulation.
Used to cover existing roofing system before application of pvc tpo or epdm membranes for siding as a general purpose protection board and as a below grade waterproofing layer protection board.
This insulation type is not great for metal roofing insulation underlayment.
Roofing materials directory or contact your insulfoam representative for additional information.
Fanfold foam residing board product data sheet pdf v 1552031785000 783 kb.
R tech ff meets or exceeds the requirements of astm c578 standard specification for rigid cellular polystyrene thermal insulation.
R 1 fanfold rigid foam board insulation sheathing 21um the home depot.
Fanfold foam residing board is a thin perforated extruded polystyrene foam board faced on one side with a plastic film facer and combines proven xps foam technology with a unique design to enhance the application of new or replacement siding.