Steel Roof Deck Ul Assembly

No limitations impact.

Steel roof deck ul assembly.

For the most up to date fire resistance ratings refer to the ul online certifications directory ul g556. Noncombustible roof decks nc. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. The panel clips are to be attached to the corrugated metal substratum with one no.

The thermal barrier may be eliminated if the complete roof assembly passes either fm 4450 or ul 1256. 10 pancake head tek screw. Roof deck construction 457. Coated steel or aluminum roofing panels mechanically fastened.

Ul standard ul 1256 edition 4 standard for fire test of roof deck constructions edition date. Steel decking is used in many applications but is particularly well suited to roofing and flooring. Wood plywood tectum require testing for both horizontal spread and vertical penetration of flame. Combustible roof decks c.

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. 1 877 4ad mix1 1 877 423 6491. 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.

Ice and water shield. Vulcraft manufactures many different types of deck including roof deck floor deck composite floor deck and cellular deck. The following information has been referenced from the ul online certification directory document. Ul fire tested assembly ul 1256 under deck flame spread.

October 31 2002 ansi approved. Wood framed including dimensional lumber engineered joist and truss. Steel concrete poured gypsum require testing for horizontal spread of flame. 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.

D horizontal membrane 52 shaft wall used in a horizontal plane.