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thermax by dow

Therm-All is proud to be one of the largest distributors of THERMAX in the metal building industry. Thermax is UL rated for exposed use in roofs and walls.

Contact your Therm-All representative or email info@therm-all.com to find out which product is right for your application.

THERMAX Heavy Duty

A glass-fiber-reinforced polyisocyanurate foam core faced with nominal 4 mil embossed white acrylic-coated aluminum on one side and 1.25 mil embossed aluminum on the other side. Can be installed exposed to the interior without a thermal barrier.

THERMAX Light Duty

A glass-fiber-reinforced polyisocyanurate foam core faced with nominal 1.25 mil embossed white acrylic-coated aluminum on one side and 1.25 mil embossed aluminum on the other side. Can be installed exposed to the interior without a thermal barrier.

THERMAX Metal Building Board

A polyisocyanurate foam core with an embossed aluminum foil facer on both sides. These aluminum foil facers serve to dampen the noise resulting from the system’s movement when outside temperatures change. Available from 1/2″ to 4-1/4″ thick. Can be installed exposed to the interior without a thermal barrier.

THERMAX Sheathing

A glass-fiber-reinforced polyisocyanurate foam core with solid aluminum foil facers on both sides. Can be installed exposed to the interior without a thermal barrier.

For specs on our most popular THERMAX offerings, visit the Guide Specifications page.