Metal Deck Roof Assembly

Potential for condensation in phoenix arizona with unvented roof 1 750 heating degree days.

Metal deck roof assembly.

The key is that the deck or framing is noncombustible. Copper or thicker can be installed over combustible decks and be considered class a without testing. Wide type tp standing seam system or 17 3 4 in. What are the shipping options for metal roofing.

This roof assembly has no insulating sheathing installed above the roof deck. Mechanically attached metal roof panels 12 3 4 in. If metal panels are installed over combustible decks the assembly needs to be tested using astm e108 or ul 790. The best rated metal roofing product is the 16 ft.

With such roofs the membrane s temperature range and rate of temperature change are drastically reduced. Berridge metal roof deck panels. Yes metal roofing can be returned and have a 180 day return period. 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.

Fm approvals is the only organization in the world that tests complete roof assemblies when subjected to multiple perils such as fire testing above and below the deck wind uplift testing hail damage testing accelerated weathering water leakage foot traffic and corrosion resistance testing of metal parts. Below roof deck spread of flame fm 4450 and ul 1256 are used to judge the contribution of the. For roof assemblies with combustible decks wood plank t g astm e 108 and ul 790 require two additional fire tests. Winter design temperature 34 f.

1 an intermittent flame test in which the flame is turned on and off during the roof assembly to resist fire from flaming embers. A roof assembly is tested to meet. An exception for combustible decks is that 16 oz sq. What is the best rated metal roofing product.

There is no potential for condensation on the underside of the roof. Classic rib steel roof panel in charcoal. Can metal roofing be returned. All metal roofing can be shipped to you at home.

This arrangement of roofing materials roof deck waterproofing membrane moisture resistant insulation is commonly referred to today as the protected membrane roof pmr or insulated roof membrane assembly irma.