Vented Roof Deck

The requests for vented composite steel deck appear to be based on a desire to hasten the drying time of the concrete that is cast on the deck.

Vented roof deck.

History on vented metal deck. Deck should not be specified as vented when it is not required. Steel deck s institute this document has been prepared by the steel deck institute as a position statement in response to inquiries regarding the availability of vented composite steel floor deck. Type b wide rib structural roof deck is a high performance cost efficient choice with a variety of options to meet multiple project needs.

In order to understand what the purpose of vented metal deck is we need to take a look back in history to when vented metal roof deck was necessary. Venting does not impact the structural performance of the steel deck. We have installed a metal deck for a roof system on which the engineer has specified a lightweight concrete composite system. Back in the 1960 s through the 1980 s vented metal deck was used on the majority of steel frame roof decking for commercial and industrial buildings.

We have installed a vented metal decking but the engineer has requested that solid metal decking be used. If the attic space is going to be conditioned either for living or mechanical purposes or if a home design calls for a vaulted ceiling provision r806 3 in the international residential code calls for the roof deck above the space to be vented continuously from the eave to the ridge.