Metal Deck Roof Assembly

The key is that the deck or framing is noncombustible.

Metal deck roof assembly.

There is no potential for condensation on the underside of the roof. Summer design temperature 107 f dry bulb and 71 f wet bulb. 1 an intermittent flame test in which the flame is turned on and off during the roof assembly to resist fire from flaming embers. Winter design temperature 34 f.

Gauge coated steel to be secured to the panel clips by engaging manufacturer s snap on seam with vinyl insert the panel clips are to be attached to the corrugated metal substratum with one no. Wide type tp standing seam system or 17 3 4 in. The roof deck most underlayment most roof coverings membranes and air films cannot be considered insulation. Potential for condensation in phoenix arizona with unvented roof 1 750 heating degree days.

Mechanically attached metal roof panels 12 3 4 in. For roof assemblies with combustible decks wood plank t g astm e 108 and ul 790 require two additional fire tests. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department. Below roof deck spread of flame fm 4450 and ul 1256 are used to judge the contribution of the.

This roof assembly has no insulating sheathing installed above the roof deck. Wide type hstp standing seam system 24 msg min. 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. Berridge metal roof deck panels.

An exception for combustible decks is that 16 oz sq. It was developed to provide a structurally efficient product for use in roof and floor systems. Steel deck is a cold formed corrugated steel sheet supported by steel joists or beams. Copper or thicker can be installed over combustible decks and be considered class a without testing.