DOW Froth-Pak 650 Spray Foam Insulation Kit, Fire Rated Class A

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FROTH-PAK™ 650 Spray Foam Insulation Kit, 15' Hose 

FROTH-PAK 650 insulation Kit yields approximately 650 board ft (54.2-cubic ft). Complete and portable two-component, quick-cure polyurethane foam kit that fills cavities, penetrations, cracks and expansion joints. Industry leading and customizable dispensing system helps ensure consistent flow rate, on-ratio application and complete dispensing of product




  • Part A Tank - Isocyanate (Qty 1)
  • Part B Tank - Polyol (Qty 1)
  • INSTA-FLO Dispenser with 15 foot hose (Qty 1)
  • Cone Spray Anti-Crossover Nozzles (6 cone nozzles, 4 fan nozzles)
  • 1 Petroleum Jelly Packet (5 g) (Qty 1)
  • 1 Operation Instruction Manual (Qty 1)
Financing Available for orders over $1,000

Froth-Pak™ 650 Spray Foam Insulation Kits are complete portable two part polyurethane spray foam systems that have a Class A Fire RatingFROTH-PAK™ polyurethane foam is a two-component, quick cure, closed cell foam that fills cavities, cracks and expansion joints for insulation and air sealing. Air infiltration accounts for 25%-40% of a home’s energy loss, FROTH-PAK™ stops that energy loss. FROTH-PAK™ Foam Insulation kits can be used to insulate stud wall cavities up to 2" thick, cold floors above unheated areas, crawl spaces, attic walls, and ceilings when covered with a code-approved barrier. The kit can be restarted and reused for up to 30 days after first startup.

Chemical curing allows 2 part polyurethane foam to be dispensed, expand, and become tack free in seconds. Foam will cure in 30 seconds, the fastest cure time in the industry. The FROTH-PAK™ 650 kit yields up to 650 board feet of foam (One board foot = 12"x12"x1"), with a 1.75 foam density. FROTH-PAK™ provides a R-6.1 rating per 1 inch of thickness and R-12.2 when sprayed at 2 inches thick. 


FROTH-PAK™ Foam Insulation Kits (U.S. only) come with a Class-A fire rating (flame spread index of 25 or less), FROTH-PAK™ Foam Insulation can be used in:

  • Stud wall cavities
  • Rim or band joists
  • Crawl space walls and ceilings
  • Attic ductwork
  • Plumbing wall pipe insulation and support
More Information
Manufacturer Part Number 650
Manufacturer DOW
Weight 86lb
Country of Manufacture United States