Metal Roof Decking Types Spans

Meets steel deck institute sdi 3 x12 requirements 3 depth 36 coverage 14 to 22 optimal span s good diaphragm shear pan perforated acustadek option aesthetic flat pan underside longer spanning than non cellular profile meets steel deck institute sdi 2 x12 requirements dg2wf 36 2wf 36 roof deck. The primary application is to support a built up roof system. Also known as roof deck non composite floor deck composite floor deck metal deck decking or just deck.

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Metal roof decking types spans.

There are two metal roof decking profiles that are readily available. Efficient concrete cross section using up to 20 less concrete than other decks. B deck is the most common structural roof deck and provides an economical and easy to install choice. Steel deck is a cold formed steel panel usually used as a structural platform to form a roof or floor.

The panel is 1 1 2 deep and 36 wide. Structural liner trays span across the main steels to provide a neat planar inner surface. B deck this is the most common type of metal roof deck. In order to understand exactly what is metal deck used for you first need to understand a few basic principles of how metal deck works.

Spans up to 4 5m unpropped. Types profiles of metal roof decking. Type b deck is the most commonly requested metal roof deck panel in the western united states. Gauge range 0 9mm through 1 2mm for economic solutions.

Suitable for use with all bauder systems wood particle board chipboard. Structural deck profiles by spanning a decking profile from rafter to rafter the need for purlins can be eliminated in a portal frame design. It is normally used in span conditions under 10 feet. Multideck 60 v2 is our most popular deck and is suitable for most applications.

Limited by maximum sheet length of 12m. Typically b decking is the ideal solution for short to medium span applications in roof canopies and awning construction. A structural deck will perform the function of transferring dynamic and dead loads of the roof covering to the frame and will also provide the necessary lateral restraint to the main structural frame. Steel 0 75mm 1 0mm 1 25mm with interior liner white finish.

Osb used for flat roof decking should be type osb 3 or osb 4 conforming to bs en 300. B deck is used when you have a span that is under ten feet. Suitable for both roof and wall applications to support all roofing types and cladding. Span range 5m to 6m.

Triple span decking uses surface material that spans three joists. Metal decking plans call for joists to be 24 inches apart so a double span deck plank is at least 48 inches long and a triple span deck plank is at least 72 inches long. Csm metal deck stocks and manufactures b bi bv and biv types of roof deck in 22 20 18 and 16 gauge. Thickness and fixing recommendations are similar to those for plywood.

B deck and n deck. It is designed to be a roof deck panel to support built up roofing but is also used on trash gates canopies awnings and many more applications.