Class A Foams

National Foams Class A Foams are also wetting agents.

Environmentally responsible KnockDown®, a Class A foam concentrate, is a unique formulation providing unmatched firefighting performance and flexibility.  Qualified to USDA Forest Service 5011-307a and UL approved for use as a wetting agent for Class A/B applications

Environmentally responsible Responder, a Class A foam concentrate. Responder is designed for use in Class A/B foam systems and is excellent for Compressed Air Foam Systems (CAFS).

Use, Discharge, and Disposal of Firefighting Foam Products

Knockdown®

Meets USDA Forest Service Requirement per Specification 5100-307 Environmentally responsible formulation U.L. Listed as a...
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Responder®

Environmentally responsible formulation. Premix is stable for more than 30 days (using potable water), which...
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  • FoamCalc

    FoamCalc

    FoamCalc is the new software program developed by National Foam to calculate the amount of foam required to protect storage ...

  • FDIC 2020

    FDIC 2020

    Come visit us at the FDIC 2020, booth # 1435, to see the latest developments from National Foam.  We look ...

  • Adipec, November 11-14, 2019

    Adipec, November 11-14, 2019

    We are attending the Adipec Exhibition in Abu Dhabi, Booth # 13237 in Hall 13.  Visit us to find out ...