Metal Deck Roof Assembly

Berridge metal roof deck panels.

Metal deck roof assembly.

10 pancake head tek screw. Some materials in the roof assembly may require venting of the steel roof deck such as roof systems with light weight insulating concrete. Gauge coated steel to be secured to the panel clips by engaging manufacturer s snap on seam with vinyl insert. In the case of the metal deck roof a number of critical factors come into play.

For insulated steel roof deck assemblies fm class 1 includes fm 4470 and fm 4450 approval standard for class 1 insulated steel decks roofs. In stock at store today. Top sellers most popular price low to high price high to low top rated products. Wide type hstp standing seam system 24 msg min.

The panel clips are to be attached to the corrugated metal substratum with one no. The metal deck roof offers certain specific hazards and inhibitors to the ventilation group. Venting does not impact the structural performance of the steel deck. Wide type tp standing seam system or 17 3 4 in.

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. Mechanically attached metal roof panels 12 3 4 in. Deck should not be specified as vented when it is not required. If metal panels are installed over combustible decks the assembly needs to be tested using astm e108 or ul 790.

With such roofs the membrane s temperature range and rate of temperature change are drastically reduced. Copper or thicker can be installed over combustible decks and be considered class a without testing. The key is that the deck or framing is noncombustible. An exception for combustible decks is that 16 oz sq.

The first is the ability of the ventilation group to be successful in performing vertical ventilation on this type of roof assembly. Thermapink should be attached with stress plates and should only be used over steel decks if a thermal barrier typically gypsum board is installed between the deck and the thermapink. While a class 1 assembly can be substituted for a class a b or c roof assembly a class a b or c assembly cannot be substituted for a class 1 roof assembly. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.