ThermalGuard OC1 is an open cell, 100% water-blown spray polyurethane foam insulation system with a density of 1 lb and an R-value of 4.7 per inch. When applied, ThermalGuard OC1 expands to over 50 times in size in approximately 8 seconds, filling and sealing building cavities of any shape and size. It achieves twice the yield of 2 lb spray foam while reducing waste and cleanup time by up to 50% compared to that of a ½ lb spray foam insulation.
ThermalGuard OC1 satisfies energy code in most climate zones at less than 4 inches and is designed to use in wall, attic and roof-deck applications where cavity depth is limited.
Tensile Strength (PSI)
Compressive Strength (PSI)
Water Vapor Permeability (PERM)
Air Leakage (L/S/M2 @ 75 PA @ 3.5″)
Seals & Insulates in One Step
Energy Code Compliant in Most Climate Zones
Applied Using Water Blowing Agent
Great for Insulating Hard-to-Reach Areas
Adheres to Virtually Any Surface
Saves up to 50% on Heating & Cooling Costs
Best of Both Worlds
ThermalGuard OC1 combines the very best qualities of ThermalGuard OC.5 and ThermalGuard CC2. It reduces waste by up to 50% compared to that of ½ lb spray foam while achieving twice the yield of 2 lb spray foam, making it a more cost-effective open cell option for insulation.
- Open-Cell Content 90%