Product Composition

Core - 1/4" Thick Microfoam polypropylene

Face - Reinforced, high purity aluminum foil

Weight for this product is .86 ounce per square foot.

Roll Size	4' wide x 125' long 6' wide x 75' long
Surface Emissivity	.03
Flame Spread Index-ASTM 84	20
Smoke Development-ASTM 84	15
Fire Rating-NFPA Spec 101	Class A/Class 1
Puncture Resistance-psi, ASTM D 3420	90
Tear-lbs., ASTM D 1922	1.9 - 2.8
Water Vapor Transmission-grains/hr sqft, ASTM E96	.005
Water Absorption lbs/sqft, FTMS 101B, Method 4035	.0003
Fungus Resistance, mold growth-Mil E 8261A	None
Useable Temperature-deg F	-150 to +200
R - MicroFoil Heat Flow Resistance, ASTM C236 Hot box test	deg. F sqft/Btu
Reflectivity	.97

MICROFOIL

R 14 downward with 2x6 wall cavity with 5/8" drywall one side and 5/8" OSB other side
R 7.4 as part of 2x4 wall cavity horizontal with 1/2" gypsum 1 side and 1/32" metal other side

R value is a measure of thermal performance, the higher the R value the greater the insulating value.