DuPont Thermax Sheathing consists of a glass-fiber-infused polyisocyanurate foam core laminated between 1.0-mil smooth, reflective aluminum facers on both sides. The glass fiber reinforcement contributes to improved fire performance and dimensional stability. DuPont Thermax Brand insulation delivers wall performance you can count on. It’s ready to meet your toughest building challenges – both outside and inside the wall – with a robust ISO insulation product line and an R-value that’s proven consistent over time and a range of temperatures.
Features & Benefits
- Easy to cut, handle, and install
- Moisture resistant. Reduces the potential for condensation within the wall assembly (SH-533)
Method Unit Value
Compressive Strength ASTM D1621 Psi, min (kPa) 25 (170)
Water Absorption ASTM D2842 – 3.5
ASTM C209 % by volume, max. 0.1
Water Vapor Permeance ASTM E96 perm, max (ng/Pa-s-m2) <0.03 (<15)
Maximum Use Temperature – °F 250
Flexural Strength ASTM C203 Psi, min (kPa) 40 (275)
Tensile Strength ASTM D1623 Psi, min (kPa) 24 (170)
Dimensional Stability ASTM D2126 % 0.2
General Insulation Company Inc. is an insulation supplier / insulation distributor that stocks and fabricates a wide variety of industrial and commercial air barrier, vapor barrier, moisture and water barrier products for the construction market.