Trisotech CGF is used to provide high thermal insulation under most roof membrane systems.  Lightweight and easy to handle, it is recommended for use in combination with a coverboard in hot and cold applied BUR and MB roof systems, and is also available in tapered configurations. 

Trisotech CGF is available as a 20 psi compressive strength (standard) version and a 25 psi compressive strength version (available upon request), complying with CAN/ULC-S704 Type 2, Class 3 or Type 3, Class 3.  It also meets ASTM C 1289, Type II, Class II, Grade 2 (20 psi) and Grade 3 (25 psi). 

Composition:

Trisotech Insulation consists of a rigid, closed cell polyisocyanurate foam core laminated on both sides to a white, inorganic, coated glass facer.  It is both CFC and HCFC free and is highly resistant to microbial growth per the requirements of ASTM D6329.