Fire Fighting in Canada

New products Wildfire Week
Uncolored, ground-based retardant able to help prevent wildfire ignitions and protect assets with a single annual application

October 14, 2021 
By FFIC Staff

Perimeter Solutions, makers of PHOS-CHEK long-term fire retardant and other firefighting products, announced today that its ground-based long-term fire retardant PHOS-CHEK FORTIFY has been added to the USDA Forest Service (USFS) Qualified Products List (QPL), making it the first and only highly-durable fire retardant that has been approved by USDA Forest Service for preventative application on U.S. federal lands.

PHOS-CHEK FORTIFY incorporates VISMOTECH technology, a hydrogel platform developed by Stanford University and MIT before Perimeter Solutions acquired the global exclusive rights to the technology.

The PHOS-CHEK FORTIFY formulation builds on PHOS-CHEK’s almost 60 years of proven retardant effectiveness and is formulated with patented polymer technology to provide enhanced durability to weathering as well as adherence to vegetation. It can be applied on flammable vegetation and cellulosic material early in the fire season before a wildfire approaches and provides ongoing protection, remaining effective until a significant rain event of one inch or more.

Products included on the QPL are approved after a rigorous testing and evaluation period. These include testing to ensure low levels of mammalian and aquatic toxicity, as well as evaluations of impact on human health and the environment.


PHOS-CHEK FORTIFY was developed in 2018, and over the past three years, utilities, railroads, insurance companies, homeowners and other industries have widely adopted it as a solution to prevent wildfire ignitions and proactively protect their property from wildfires.

Use of PHOS-CHEK FORTIFY as a preventative solution is an environmentally responsible choice, as it eliminates the need to kill the vegetation with dangerous herbicides, clear vegetation to bare mineral soil, or cut down significant forest assets to prevent fire starts.

Leaving vegetation intact may lead to greater microbial health in the soil, can help to maintain both plant and animal habitats, and may help reduce the risk for erosion and nutrient runoff.

For more information on Perimeter Solutions, visit

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