FOIL FACED POLY

4' x 8' sheet

1 side has a reflective foil face typically installed toward the warm air surface to reflect energy back toward the dwelling

Can be used in residential construction as insulated sheathing in above grade exterior walls and above and below grade interior walls crawl spaces

Highest R-value per inch of any rigid board insulation

Does not melt when exposed to flame versus other types of rigid foam board (ASTM E84)

The low permeability of foil facing coupled with polyiso's high thermal performance make it ideal for controlling condensation in walls

Reflective aluminum foil face blocks radiant heat, prevents penetration of air and intrusion of moisture

Hourly fire-rated when used in wall assembly to inhibit the spread of fire within or between buildings

Nominal size ranges from 47.75" to 48.25" by 95.75" to 96.25