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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  • COVID-19

    COVID-19

    We are open for business, receiving orders, manufacturing products, and shipping to customers worldwide. However, in light of the circumstances ...

  • FDIC 2020 - Postponed

    FDIC 2020 – Postponed

    FDIC 2020 postponed due to COVID-19. National Foam fully supports the decision and will be exhibiting at FDIC 2021. ...

  • Engineering Seminar April 2020 - Postponed!

    Engineering Seminar April 2020 – Postponed!

    The next Foam Fire Protection Engineering Seminar, scheduled for April 14-16, 2020, is postponed indefinitely due to Corona Virus. Should ...