Products / Expansion and Wall Curbs (EC-2 to EC-4)

Unitized, internally reinforced curbs used at roof expansion joints and roof-to-wall conditions, in EC-2 (lightweight fill, tapered insulation or single-ply roofing), EC-3 (uninsulated decks) and EC-4 (insulated decks) styles. The EC-4 is made of 18 gauge galvanized steel with 1-1/2 in. of 3 lb. density fiberglass insulation, an 8 in. minimum height and an integral wood nailer in A style flush or B style overhang.