Steel Roof Deck Ul Assembly

The thermal barrier may be eliminated if the complete roof assembly passes either fm 4450 or ul 1256.

Steel roof deck ul assembly.

Any ul classified type g1 g2 or g3 base ply sheet type 15 20 or 30 felt or ul classified prepared roofing accessory or gcp applied technologies inc. D horizontal membrane 52 shaft wall used in a horizontal plane. 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. Wood framed including dimensional lumber engineered joist and truss.

Ul standard ul 1256 edition 4 standard for fire test of roof deck constructions edition date. C roof ceilings45 51 steel framed including steel bar joist framing steel c joist framing steel truss and steel roof deck. 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. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies.

Steel concrete poured gypsum require testing for horizontal spread of flame. No limitations impact. For homeowners find a retail store find a building professional customer. The panel clips are to be attached to the corrugated metal substratum with one no.

The following information has been referenced from the ul online certification directory document. Vulcraft manufactures many different types of deck including roof deck floor deck composite floor deck and cellular deck. Ice and water shield. Steel decking is used in many applications but is particularly well suited to roofing and flooring.

10 pancake head tek screw. The corrugated metal substratum is placed over the specified roof insulation and fastened through the roof insulation to the steel deck with min. Ul fire tested assembly ul 1256 under deck flame spread. Roof deck construction 457.

For the most up to date fire resistance ratings refer to the ul online certifications directory ul g556. Wood plywood tectum require testing for both horizontal spread and vertical penetration of flame. Combustible roof decks c. 1 877 4ad mix1 1 877 423 6491.

A full line of deck accessories such as end closure and pour stop is also available from vulcraft.