Non-Listed Smoke Hatches

UL Listed FusibleLink

External Release

Smooth or Arched Dome

Metal Lids

Integral MB Curbs

Galvanized Steel or Aluminum

Specifications

Base Construction - Lid Specs	Single Dome	Double Dome	Solid Lid	Single Dome Louvered
Self Flashing	SF-SDA	SF-DDA	SF-SLD	SF-SDA-L
Curb Mount	CM-SDA	CM-DDA	CM-SLD	CM-SDA-L
Metal Building Standard	MB-SDA	MB-DDA	MB-SLD	MB-SDA-L
Metal Building Seam Clip	SC-SDA	SC-DDA	SC-SLD	SC-SDA-L
Metal Building Layover	LO-SDA	LO-DDA	LO-SLD	LO-SDA-L
Metal Building Internal Flange	IF-SDA	IF-DDA	IF-SLD