- 14 gauge galvanized steel cover and Curb
- Galvanized Steel: White Powder Coat
- 14 gauge galvanized steel exterior with 22 gauge galvanized steel liner bonded to core of 1” rigid styrofoam insulation.
- 14 gauge galvanized steel with a 12” high curb, integral counterflashing, 3-1/2” wide mounting flanges with pre-drilled holes and 1” exterior fiberboard insulation
- Extruded EPDM rubber gasket adhered to cover