Ap foil provides exceptional heat moisture and air control and when installed correctly eliminates all major thermal bridges that cause heat loss.
Foil backed rigid insulation board.
The material is also very light which only adds to its easy installation process.
Working with home insulation boards insulation panels typically come in 4x8 foot sheets.
Smaller sizes are also available.
2 in x 4 ft x 8 ft.
This material offers the highest r values about r 6 to 6 5.
Johns manville ap foil faced foam sheathing board is rigid polyisocyanurate foam sheathing that provides exceptional heat moisture and air control to protect your building s exterior walls and when installed correctly eliminates all major thermal bridges that cause heat loss.
Great for a diy install insulation board is resistant to moisture so you can place it almost anywhere in your home.
Johns manville r 13 common.
They re much lighter and easier to work with than plywood sheets.
2 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101627 model 90014714 can be used in residential construction as insulated sheathing in above grade exterior walls above and below grade interior walls crawl spaces attic and cathedral ceilings as well as type i iv commercial applications.
Products with foil facing help the panels resist moisture vapor.
The rigid board sheathing has a one inch layer of continuous insulation for maximium wall and worksite efficieny.