18 gauge cover panel with precoated rust inhibiting white baked on enamel paint.
14 gauge galvanized, die-formed wall bracket.
Galvanized, die-formed support bracket, slotted to allow 1" vertical movement for positioning/pitch adjustment.
Hanger cradle and support pin allow lateral travel to accommodate expansion and eliminate noise.
Optional knob controlled damper operates with precision lead screw and brass trunnion block for years of trouble free service.