Perimeter Solutions’ PHOS-CHEK® and FIRE-TROL® brand long-term fire retardants, Class A foams and gels are the world’s safest, most effective and environmentally friendly products available for fighting, managing and controlling wildland fires. Perimeter Solutions’ wildland fire chemicals have been used by the premier fire management agencies around the world since 1963. Perimeter Solutions’ innovative new products include our ultra-high visibility retardants, the world’s best Class A foam, and our unique fire-suppressant gel. We also offer a wide range of equipment and services.

Wildland Products

Aerial Fire Retardants

PHOS-CHEK aerial fire retardants are available in a range of physical forms, viscosities and colors to meet a range of firefighting requirements. All PHOS-CHEK retardants are fully qualified by the USDA Forest Service. Aerial and ground applied chemical retardant for control and management of wildland fires.

Ground-Applied Fire Retardants

Perimeter Solutions offers a comprehensive range of ground applied fire retardants – PHOS-CHEK FORTIFY® for season-long protection and PHOS-CHEK LC-95W technology for fast application during scheduled burn or emerging wildfire conditions. These solutions are fully qualified by the USDA Forest Service.

Class A Foam

Perimeter Solutions offers a range of Class A foam options for wildland firefighting under our PHOS-CHEK brand. These foams increase the effectiveness of water for direct suppression and mop up and can be used in both aerial and ground operations.

Mobile Foam Equipment

Perimeter Solutions mobile foam tote and dual agent trailers allow large quantities of foam concentrate and other chemicals to be deployed for rapid response and quick extinguishment. They are offered in a range of sizes and configurations and allow superior mobility.

Mobile Services

Perimeter Solutions portable retardant bases can be set up near the fire ground to support close in, quick turnaround operations for all types of aerial delivery systems. Ground units can place retardant accurately, 24 hours a day, in almost all-weather conditions.


Perimeter Solutions PHOS-CHEK mixing equipment provides easy mixing for support of airtanker, helicopter and ground operations. We also offer equipment for application of fire retardants, foams and gels. Systems can be fabricated and customized for a particular need.