Roof Deck 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.

Roof deck assembly.

Do not select re roof. The roof deck most underlayment most roof coverings membranes and air films cannot be considered insulation. Assembly is an extremely popular classy upscale rooftop bar serving amazing cocktails and bites in the heart of logan square in philadelphia located 9 floors above the city with panoramic views. Ul standard ul 1256 edition 4 standard for fire test of roof deck constructions edition date.

Each loadmaster roof deck assembly is engineered not only for the unique needs of each building design but to develop composite structural performance among the components. 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. 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. When searching for re cover or re roof assemblies choose a deck type of existing roof on the classifications tab and or on the specifications tab.

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. No remaining asphalt search for new construction on a steel deck. Below roof deck spread of flame fm 4450 and ul 1256 are used to judge the contribution of the. 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.

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 re roof assemblies over a clean steel deck i e. For current information on metal roofing systems tested and approved in conjunction with loadmaster contact loadmaster s technical department at 800 527 4035. 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.

October 31 2002 ansi approved. 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.