Low GWP Froth Pak 620, A Tank, B Tank, 30 ft Hose

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DOW FROTH-PAK 620, Close Cell Spray Foam Sealant Insulation Kit, 30' Hose


Low GWP Spray Foam Sealant Kit, FROTH-PAK™ 620 with 30 ft Hose

FROTH-PAK™ 620 spray foam sealant kits are complete portable two part polyurethane spray foam systems. FROTH-PAK™ polyurethane foam is a two-component, quick cure, closed cell foam that fills cavities, cracks and expansion joints for air sealing and improved insulation. Air infiltration accounts for 25%-40% of a home’s energy loss, FROTH-PAK™ stops that energy loss. FROTH-PAK™ Foam Sealant kits can be used to seal 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. The FROTH-PAK™ 620 kit yields up to 620 board feet of foam.

The FROTH-PAK™ 620 kit yields up to 620 board feet of foam (One board foot = 12"x12"x1"), 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.

This kit includes a 30 ft applicator hose.

Kit Includes:

  • Part A Tank - Isocyanate
  • Part B Tank - Polyol
  • INSTA-FLO Dispenser with 30 foot hose
  • Cone Spray Anti-Crossover Nozzles (6 cone nozzles, 4 fan nozzles)
  • 1 Petroleum Jelly Packet (5 g)
  • 1 Operation Instruction Manual

DuPont has made enhancements to their industry leading formulation of FROTH-PAK™ Spray Foam Sealant. As a direct result of these formulation enhancements, FROTH-PAK™ 620 no longer contains HFC's, a potent greenhouse gas, and is now a Low Global Warming Potential (GWP) product that is compliant with state environmental laws throughout the US. Further enhancements include a redesign of the applicator nozzles that include increased optimized blending and a controlled spray pattern that reduces over-spray and waste.

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. FROTH-PAK™ 620 is great for larger size jobs; yield is 620 board ft.


FROTH-PAK™ Foam Sealant Kits (U.S. only) can be used in:

  • Stud wall cavities
  • Rim or band joists
  • Crawl space walls and ceilings
  • Attic ductwork
  • Plumbing wall pipe insulation and support

Please refer to your local building code or local inspector for proper application.

Use by Date? - No worries. We guarantee you the freshest product every time you order.

Need a different size kit? Check out Froth-Pak Disposable Kits for smaller jobs or the Froth-Pak Refillable System when you need to go big. 

Need more than 1 kit? Quantity discounts automatically apply. Need even more? Please call us at 888-223-3050 for quantity discounts and delivery information.


Safety & Use

Important Safety & Use Information

FROTH-PAK™ spray foam kits are intended for professional use - Please follow all instructions and guidelines for use and application.

Personal Protection Equipment should be used when applying FROTH-PAK™ foam kits.

Froth Pak Kit Instructions

FROTH-PAK™ Usage Recommendations

As with all chemical products proper preparation of the work area and application procedures should be followed to insure a safe and satisfactory job.

When spraying FROTH-PAK™, the initial reaction of the 2 chemicals will generate heat. We recommend building up thickness in a series of layers to avoid excessive heat buildup. 

Proper ventilation of the work area should be followed. Please see Froth Pak Ventilation Guidelines.

Please make sure that both tanks are opened fully and that there are no restrictions in the feed lines. An improper mixture will cause "off ratio" foam. To see what this looks like check out our video "How to tell Good from Bad"



Technical Information

Technical Resources:

FROTH-PAK™ Handling and Disposal

Froth-Pak Temperature Guidelines

Froth-Pak Disposal Instructions






Signature Required at time of Delivery. Additional charges may apply if shipping to a residence, extended service area, or business that does not have a loading dock.
This product is also available for Pick Up from our Farmingdale, NJ warehouse.

Questions? - Call us at 888-223-3050

Item Contains

  1. GWP Froth-Pak GHA 30 Gun Assembly, includes 30' Hose, wrench, nozzles
  2. Low GWP FP ISO 620BF HFC ISO - A Tank
  3. Low GWP FP 620BF HFC POLYOL - B Tank




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