Steel Diaphragm Roof Decks

Steel decking is used in many applications but is particularly well suited to roofing and flooring.

Steel diaphragm roof decks.

Steel roof and floor deck diaphragm design requires careful attention to load paths stiffness variations fastener types and regional preferences figure 1. Deck types are described in the steel deck institute sdi publication no. For more than 50 years verco has been manufacturing many different types of deck including roof deck floor deck composite floor deck cellular and dovetail deck. 1 5 wide rib narrow rib intermediate rib and 3 deep rib deck profiles are available for roofs.

The second edition of the sdi roof deck design manual rddm2 2020 by steel deck institute includes 15 design examples and 40 ksi load tables including new ones for concentrated and moving loads. Roof diaphragm panels typically vary from 0 0295 inches to 0 064 inches in thickness and come in widths of 18 inches to 36 inches or more. Roof deck historically published diaphragm design tables for roof deck have been based on diaphragm shear loads only. It includes information for the design of steel deck diaphragms for roof and floor decks and complies with the requirements of the ansi aisi s310 2013 north american standard for the design of profiled steel diaphragm panels.

September 2015 the fourth edition of the sdi diaphragm design manual ddm04 replaces the third edition ddm03. Steel roof and floor deck diaphragm design requires careful attention to load paths stiffness variations fastener types and regional preferences figure 1. In its most basic form a diaphragm behaves as if it were a short deep beam. Select the type of steel deck panel to calculate diaphragm shear strength tables.

Following are the details you ll need about any of our products. 31 design manual for composite decks form decks and roof decks. Download the first edition of our steel deck on cold formed steel framing design manual sdcfsfdm or visit our order page to purchase a printed and bound copy. Diaphragm design information for vulcraft roof and floor decks is based on the steel deck institute diaphragm design manual third edition ddm03 in accordance with the 2015 ibc.