Building Roof Deck Plan

The footings for porch decks must be larger than deck footings.

Building roof deck plan. Many porches use 22 diameter corner and intermediate footings. Install post base connectors to attach the support posts to the deck frame. Typical decks are designed to support 55 psf lbs per square foot. Make sure the frame has the appropriate blocking to ensure a solid connection.

Gable roof the most common type of deck roof the gable roof forms a triangular shape. Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber. Building a shed roof over a deck. Frame up a box the size of the outer dimensions of your deck using 2.

Porch decks require 25 additional psf for roof loads for a total of 80 psf. Lift the box. Do not attach the post base to only decking. Build the frame of the roof on the ground.

Shed gable and hip. As a result most decks have inadequate footings to support a new porch roof.