Template:Materials - Insulation (Perlitic)

Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program

Manufacturer	Product Name	System Test Type (Wind)	Density (kg/cu. m)	Compressive Strength (kPa)	Compressive Strength (psi)	Thermal Resistance (RSI)	Thermal Resistance (R/inch)
Johns Manville Corporation	Fesco Board	‒	‒	‒	‒	0.49	2.78