Steel Roof Deck Ul Assembly

No limitations impact.

Steel roof deck ul assembly.

The thermal barrier may be eliminated if the complete roof assembly passes either fm 4450 or ul 1256. Ul standard ul 1256 edition 4 standard for fire test of roof deck constructions edition date. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. For homeowners find a retail store find a building professional customer.

D horizontal membrane 52 shaft wall used in a horizontal plane. The panel clips are to be attached to the corrugated metal substratum with one no. A full line of deck accessories such as end closure and pour stop is also available from vulcraft. Wood plywood tectum require testing for both horizontal spread and vertical penetration of flame.

The following information has been referenced from the ul online certification directory document. Steel decking is used in many applications but is particularly well suited to roofing and flooring. Noncombustible roof decks nc. The corrugated metal substratum is placed over the specified roof insulation and fastened through the roof insulation to the steel deck with min.

C roof ceilings45 51 steel framed including steel bar joist framing steel c joist framing steel truss and steel roof deck. Steel concrete poured gypsum require testing for horizontal spread of flame. Vulcraft manufactures many different types of deck including roof deck floor deck composite floor deck and cellular deck. For the most up to date fire resistance ratings refer to the ul online certifications directory ul g556.

Ul fire tested assembly ul 1256 under deck flame spread. 1 877 4ad mix1 1 877 423 6491. October 31 2002 ansi approved. Coated steel or aluminum roofing panels mechanically fastened.

Ice and water shield. Roof deck construction 457. 10 pancake head tek screw. According to building codes roof assemblies incorporating foam plastic insulation installed on a steel deck must include a thermal barrier typically 1 2 inch gypsum board or equivalent between the deck and the foam plastic insulation.

Metal panel roof systems require a minimum 3 8 air gap between the underside of the metal panel and the covered or uncovered insulation board.