Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes) Thickness:1/2 in FOAMULAR® XPS insulation is reusable

FOAMULAR® XPS insulation is reusable

helping to regulate indoor temperature and improve energy efficiency

which can range from 1 inch to 4 inches

Excellent long-term stable insulating performance with an R-value of R-5 per inch

Dry and Energy Saver modes that keep things cool whether you’re home or away

Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes) Thickness:1/2 in FOAMULAR® XPS insulation is reusableTHERMAX Sheathing is specially designed to have a Class A fire rating and can be used in a range of concealed and exposed applications, above and below grade. Because of the improved fire performance it is best suited for hourly rated assemblies. It has nominal 1. 0 mil, smooth aluminum foil facers on both sides. THERMAX Sheathing effectively reduces condensation for exceptional moisture protection. Thickness R Value Sq Ft Board 0. 5" R3 32 1" R6 32