Enverge OnePass F1850 is a two component HFC-blown (zero ozone-depleting) liquid spray system that cures to a mediumdensity rigid cellular polyurethane insulation material. GacoOnePass F1850 contains polyols derived from naturally renewable oils, post-consumer recycled plastics, and pre-consumer recycled materials.

OnePass F1850 is a Class A (Class 1) fire rated foam that meets or exceeds the requirements of ICC-ES AC377 Acceptance Criteria for Foam Plastic Insulation. See Intertek Code Compliance Research Report CCRR-1043 for code compliant application information. GacoOnePass F1850 is a Type II foam in accordance with ASTM C1029.

OnePass F1850 is designed to be installed in up 5½” (139.7 mm) passes when installation instructions are followed.

This closed cell foam is designed to provide: excellent thermal performance; air impermeable insulation; and, an integral part of an air barrier assembly. Unprotected trade workers can safely reenter sprayed work areas one hour following application of Gaco 1850 SPF formulations given adequate ventilation.