Poll any supplier which roof profiles they ships least, and the narrow-rib section usually come at or near the bottom of that list.As a trusted roof deck supplier, we make sourcing simple and easy. This overview covers A Deck.The Span LimitationWhy that is comes down to spanning capability, which is the honest trade of all the advantages a narrow offers on the top. The narrower rib profile gives a section which carries a shorter distance across framing for the same steel thickness than a wider profile does, and, in nearly all contemporary buildings the joist spacing has been laid out with wide-rib capability in mind. And that mean Type A Deck is called for in a comparatively small band of cases and not as an everyday choice: when the roofing really need the extra bearing surface, where the framing spacing is already close enough to suit it, or when the existing structure was laid out that way. A Roof Decking All of which are worth setting out plainly instead of selling it as being a general solution.If you're ordering Type A or a wide rib profile, Type A Deck deliver.Check the SpanLooking to specify Type A Decking? Whether you need Type A or a wide rib profile, a good supplier make it easy to get it right.Reach out to us today to order a fast quote.