Products / SkyArc Smoke Vents

Dual-lid heat and smoke vent in galvanized steel or aluminum, curb mounted or self-flashing, with single or double SkyTough polycarbonate domes or insulated metal lids, in sizes from 48 x 48 in. to 60 x 96 in. The UL Listed models (ULSV2D, UL 793 file R21627) and FM Approved models (FMSV2D, FM 4430, report PR457696) open by fusible link or manual release handle and are designed to operate against a 10 psf live load; the specification calls for lids that withstand a 90 psf uplift load when closed. UL fusible link options are 212, 350, 360 and 370 degrees F, and the FM models use a 360 degree F link. The smoke vents page also lists non-listed single-leaf versions.