Deck Roof Frame

Installing a roof over an existing deck isn t recommended unless your deck was originally designed to support the roof.

Deck roof frame. Always try to match the house roof pitch angle and overhang for your shed roof. Some shed roofs are designed to be nearly flat. As a result most decks have inadequate footings to support a new porch roof. Extremely happy with this purchase.

Many porches use 22 diameter corner and intermediate. This sizing guide for roof rafters will help determine what you need for your small project. How to build a shed roof over a deck. While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support.

Typical decks are designed to support 55 psf lbs per square foot. This in depth section will teach diy builders to frame a deck from installing a ledger board and frost footings to framing the perimeter 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. This pergola offers a metal slanted roof to provide coverage from the hot sun on your deck porch or patio.

Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. There are several variables to consider when determining the proper rafter size. Start here if you re building a roof over a patio or deck. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money.

Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks. Build the frame of the roof on the ground. The footings for porch decks must be larger than deck footings. If you want to avoid problems and build a durable watertight deck pvc is the best material to use.

Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. We put it together in an hour really easy. Weather you re building a shed roof or adding a dormer to your second story it is important to choose the proper size rafter. Flat roofs are more susceptible to leaking than pitched roofs.

To solve this problem you can either replace your original deck footings to support your new roof or build your. The process of framing a deck includes creating connections between joists beams and support posts in order to build a code compliant deck structure. Porch decks require 25 additional psf for roof loads for a total of 80 psf. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.

If the deck doubles as a porch it needs to be able to support no more than 80 psf. For deck roof posts dig holes for the roof posts and pour cement to keep them secure. If you are tying the roof directly to a house. Shed roofs project as a single plane roof pitched away from the house.