Winter design temperature 34 f.
Metal deck roof assembly.
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.
Below roof deck spread of flame fm 4450 and ul 1256 are used to judge the contribution of the.
Potential for condensation in phoenix arizona with unvented roof 1 750 heating degree days.
Summer design temperature 107 f dry bulb and 71 f wet bulb.
Wide type hstp standing seam system 24 msg min.
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.
If metal panels are installed over combustible decks the assembly needs to be tested using astm e108 or ul 790.
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.
An exception for combustible decks is that 16 oz sq.
Steel deck is a cold formed corrugated steel sheet supported by steel joists or beams.
Building and energy codes almost always specify a required minimum r value for exterior walls and roof assemblies with above deck insulation so the minimum required r value in your local jurisdiction is something that you need to.
Mechanically attached metal roof panels 12 3 4 in.
The key is that the deck or framing is noncombustible.
There is no potential for condensation on the underside of the roof.
For roof assemblies with combustible decks wood plank t g astm e 108 and ul 790 require two additional fire tests.
Copper or thicker can be installed over combustible decks and be considered class a without testing.
Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department.
It is used to support concrete or insulating membrane of a roof.