Roof Deck Design Height Limit

4 maximum gap between balusters.

Roof deck design height limit.

200 lb concentrated load. A 2x8 up to 12 feet. The code has some very specific requirements for deck stairs. If bracing is used a maximum post.

36 minimum height when surface is 30 above grade. In typical deck construction with a ledger on one side of the joist and beam on the other the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above. Load limits on the roof of a building. If larger than 400 square feet it requires frost line footings.

The larger the deck the larger the joists. 50 lbf vertical and horizontal load along top rail. From the typical 1 to 3 roof and composite floor deck to concrete form deck to long spanning deep deck profiles asc steel deck s extensive product offer meets the needs of the most complex conditions and demands for structural performance and design. Treads must be at least 10 inches deep measuring from front to back.

The dca6 recommends minimum 6x6 posts with a maximum 12 foot height. Good for short span conditions for use when metal deck is used as a leave in place form composite deck 3 inch depth 32 inch coverage 11 foot to 15 foot optimal span range pan perforated acustadek option available with smooth series rivet attachments or welded. 2x10 to 15 feet and 2x12 to 18 feet. 50 lb concentrated load over 1 sqft or balusters.

In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing. If in one 100 year floodplain the structure must be firmly anchored. Stair rails on decks should be between 34 inches and 38 inches high measured vertically from the nose of the tread to the top of the rail. Roofs are under a lot of pressure.

If located on a corner lot the structure must be situated in the half of the lot furthest from the side street. There is a height limitation of 15 feet.