Roof Deck Dimensions

What is a beam.

Roof deck dimensions.

Supports are often spaced at 5 to 6 on center for 22ga type b metal roof deck. Other innovations include n 32 a 32 wide 3 deep roof deck panel and our new smooth series rivet attachment for our portfolio of cellular deck products. Steel deck roof deck form deck composite floor deck. When using b deck to cover skylights be sure to note the maximum un shored spans for one 1 span.

Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. A beam is the main load bearing element for the structural soundness of your deck s roof. Please check with your local new millennium facility for lengths outside these parameters. B deck is available in lengths from 6 0 to 40 0.

In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Steel roof deck panels guide specification 05 31 23 2 1 3 submittals a. Type b wide rib deck provides excellent structural load carrying capacity per pound of steel utilized and its nestable design eliminates the need for die set ends. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

2 deep roof deck and has since replaced the previous industry standard 36 5 and 36 7 attachment patterns. 1 or more rigid insulation is required for type b deck. Where rigid roofing insulation is used with b deck a minimum 1 inch thickness is required. Therefore d mac stocks sheets that are multiples of these metal roof decking dimensions and we can cut them to any length.

Type b roof deck provides the best balance of strength and economy of all the 1 inch deep roof decks. Asc steel deck a division of asc profiles inc. Prior to fabrication prepare shop drawings for work under this section and submit to. The minimum size joist to be used in deck construction depends on the number of footings and beams that will be installed.

Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. It s not only responsible for supporting the weight of the joists but other building elements as well. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. Approximate dimensions 1 5b 1 5bi 1 5plb roof deck imperial standard features astm a653 a653m ss gr 50 minimum steel with fy 50 ksi.

Product data for each type of decking specified including dimensions of individual components profiles and finishes.