Willseal® FR-V is a fire-rated, pre-compressed, watertight, UV stable foam, with an integral smoke barrier within the foam body, sound-attenuating expansion joint with a pre-cured, factory-applied sealant applied to the face.
Willseal FR-V is comprised of a fire-retardant impregnated foam designed to be used in vertical expansion joints by itself, but it can also be used behind any other expansion joint cover, plate or filler where joint depth allows.
Willseal FR-V is designed for use in vertical expansion joints either coated on a single side or both based on the fire-rated system requirements: