55 gal. Drum AP200 HFO Closed-Cell Isocyanate Spray Foam, Regular Version (Side A) | ALP-AP200-HFO-REG-A

Alpha Polymers' AP200 HFO Spray Foam Isocyanate Resin Regular, Summer Version (Side A) also contributes to reliable code-compliant performance when the completed system is installed at proper thicknesses. The cured foam meets standard fire-safety requirements with low flame spread and smoke development values, and its rapid gel and dry-to-touch times help accelerate jobsite productivity. This formulation is engineered to perform within recommended installation temperature ranges, promoting consistent expansion and curing during summer application cycles. When stored in sealed drums under controlled temperatures, the resin maintains its stability and shelf life, supporting predictable use throughout the season.

• Forms part of a closed-cell insulation system that delivers high thermal resistance
• Maintains stable reactivity during warm-weather spray applications
• Contributes to Class II vapor retarder performance when installed at sufficient thickness
• Maintains stable viscosity even in summer application conditions
• Spray-applied forming a seamless thermal envelope and can adhere to a wide range of substrates