Free Standing Deck Roof Requirements
Decks 24 to 5 10 180 cm need 36 guards and anything above 5 10 requires a 42 high railing.
Free standing deck roof requirements. As a result most decks have inadequate footings to support a new porch roof. The minimum height of the railing varies based on the height of the deck. This article discusses strategies for building over an existing slab patio or over a deck and offers links to articles about the specific tasks such as pouring the footings raising posts and so forth. Using the irc s default soil bearing capacity of 1500 lb.
Deck foot anchor could support 1500 lb. Standard bracing between posts and the outer beam is used on freestanding decks as it is on many decks attached to houses. Because there isn t a house to anchor one end of the deck uplift and racking forces are greater issues that must be addressed in the structural design. Start here if you re building a roof over a patio or deck.
Freestanding decks greater than 2 feet above grade must be able to resist lateral and horizontal movement by providing diagonal bracing. Design load that s 30 sq. If it is next to a house or structure it should be secured to the siding or roof of that structure as well to keep it stable through high winds and lashing rains. You can cut them down as needed.
Of deck or shed per footing. At the code minimum 50 lb. They have to be a bit longer than the patio. The footings for porch decks must be larger than deck footings.
Guards are required when then deck is 24 60 cm above grade. Porch decks require 25 additional psf for roof loads for a total of 80 psf. A free standing roof needs to have posts sunk into the ground. Likewise the load that each deck foot anchor can support depends on the bearing capacity of the soil.
Free standing covered deck plans are available in abundance online. Many porches use 22 diameter corner and intermediate footings. To structure the roof take your 2 6 boards. The bracing material must be 2 x 4 lumber and you must use a 1 2 inch through bolt at each connection point every deck higher than 30 inches whether it s free standing or not must have a railing.
The railing must be at least 36 inches high and it must include balusters that are no more than 4 inches apart. Unlike decks attached to houses freestanding decks must be braced perpendicular to the house.