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.