The glass fiber reinforcement contributes to improved fire performance and dimensional stability.
Foil faced rigid insulation.
Products with foil facing help the panels resist moisture vapor.
Working with home insulation boards insulation panels typically come in 4x8 foot sheets.
Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same.
Seal with reinforced hvac tape sold separately.
Sheets with foil facing reflect heat.
1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation.
This product is designed to fill perimeter gaps between concrete floor slabs and exterior wall systems between firewalls and.
They re much lighter and easier to work with than plywood sheets.
However foil faced iso panels are warranted as impermeable.
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.
Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck.
The foil facing is also known as foil scrim kraft fsk.
This material offers the highest r values about r 6 to 6 5.
If you want to use them without creating a vapor barrier look for permeable iso panels faced with fiberglass.
Roxul safe is a lightweight semi rigid stone wool insulation that provides superior fire resistance and sound control.
There s two ways you can go about with foam board insulation.
It is constructed from closed cell polyisocyanurate foam core bonded on each side to aluminum foil facers during the manufacturing process.
1 in x 4 ft x 8 ft.
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.
Installing rigid foam insulation.
Smaller sizes are also available.
Ap foil provides exceptional heat moisture and air control and when installed correctly eliminates all major thermal bridges that cause heat loss.
Johns manville r 6 common.