Put Roof On An Exiting Deck

Take a look at our step by step guide for building a shed roof over your existing deck.

Put roof on an exiting deck.

Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch. Building on an existing deck where local building codes allow this practice you can bolt a patio overhead s posts directly to existing deck beams joists or other heavy structural members. Typical decks are designed to support 55 psf lbs per square foot. Under deck roof the family handyman image result for adding a roof to an existing deck backyard design of a roof addition over an existing concrete patio in adding a roof over an existing deck should you how to build a roof over my existing deck costs designs how to add a roof an existing deck mycoffeepot org.

I don t know if can or should avoid spending on an engineer for this. Porch decks also require larger footings than deck footings. Decks typically are designed to support 55 pounds per square feet or psf of weight. A regular deck can support a certain amount of weight per square foot but a deck roof adds a lot of weight and requires support.

In most cases larger footings and sometimes more footings are required for a roofed deck. These are used to attach the support posts to the frame of the. Or you can lag screw through post bases and decking into the top of a deck joist or beam. Install post base connectors.

Without proper planning adding a roof to an existing deck can create an unsafe situation. Porch decks require 25 additional psf for roof loads for a total of 80 psf. If the roof is attached to the deck it needs to be able to support the weight. Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.

Can anyone advise me on a preferred way to put a roof load over an existing deck. No matter the situation either attaching to an existing deck or building onto a deck that is being built in progress the weight of the roof needs to be considered in relation to the deck.