Roof Deck Assembly

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Roof deck assembly.

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. Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project. Below roof deck spread of flame fm 4450 and ul 1256 are used to judge the contribution of the. For current information on metal roofing systems tested and approved in conjunction with loadmaster contact loadmaster s technical department at 800 527 4035.

1 an intermittent flame test in which the flame is turned on and off during the roof assembly to resist fire from flaming embers. For roof assemblies with combustible decks wood plank t g astm e 108 and ul 790 require two additional fire tests. Come take a look. The flexible interfacing of 91 components delivers well in excess of 5000 possible assemblies.

Considering a roof deck as a story may be acceptable when the height of the deck does not exceed 2 3 stories depending on the construction type and whether or not sprinklers are used. For re roof assemblies over a clean steel deck i e. The entire roof assembly loadmaster roof deck roof covering must be wind uplift tested as a unit to establish its wind uplift resistance and code compliance. Do not select re roof.

The roof deck most underlayment most roof coverings membranes and air films cannot be considered insulation. Helpful documents and resources for usg s roof assemblies can be found on this page. October 31 2002 ansi approved. When floor ceiling assemblies are used to plot our ul floor ceiling assemblies and fire rated floor assemblies you can ensure the accuracy of your next project.

No remaining asphalt search for new construction on a steel deck. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. In general occupied roof space with structure above is used for assembly occupancy a 2 and will be considered a story per the definition of a story see above.