ROBERTS 6700 adhesive was designed for exterior or interior carpet installation and is a solvent-free for reduced health risks, a lower environmental footprint and high initial grab. This non-flammable adhesive may be used in areas where flammable adhesives pose a health risk due to fumes or flashback fires. Use this adhesive to adhere most indoor/outdoor carpets with polypropylene, rubber-backed (foam, marine, waffle), urethane and tufted, woven or non-woven/needle-bond backings.