Boss 2284 and Boss 2684 2-Part HFO Foam Kits offer high-performance insulation in a convenient, portable package. These closed-cell spray foam systems are designed for superior air sealing, moisture resistance, and thermal efficiency—all while meeting ASTM E84 Class 1 fire rating standards. Ideal for residential, commercial, and industrial applications.

Product Features:

• Low-GWP HFO Blowing Agent: Environmentally responsible with reduced global warming potential compared to traditional formulations.
• Fast & Easy Application: Two-part system dispenses quickly with minimal setup—perfect for filling gaps, sealing cracks, and insulating hard-to-reach spaces.
• High R-Value: Closed-cell structure provides excellent thermal insulation and air barrier properties.
• E84 Fire Rated: Meets ASTM E84 Class 1 for surface burning characteristics.
• Durable & Moisture-Resistant: Adds structural strength while resisting mold, pests, and moisture intrusion.

Available Kits:

• Boss 2284 – 200 Board Feet
• Boss 2684 – 600 Board Feet

Brand: Boss
Type: 2-Part Closed-Cell HFO Foam
Fire Rating: ASTM E84 – Class 1
Applications: Air sealing, wall cavities, attics, crawl spaces, rim joists, and more

Choose Boss Foam Kits for reliable, high-performance spray insulation with easy application and professional-grade results.