Building Roof Deck Plan

Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.

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. Porch decks require 25 additional psf for roof loads for a total of 80 psf. Make sure the frame has the appropriate blocking to ensure a solid connection.

How to build a roof over a deck step 1. Build the frame of the roof on the ground. There are three types of roofs that you ll find over a deck. Shed roof a single sloping surface that starts at the exterior house wall and ends at support posts.

Frame up a box the size of the outer dimensions of your deck using 2. Building a shed roof over a deck. Typical decks are designed to support 55 psf lbs per square foot. Lift the box.

Gable roof the most common type of deck roof the gable roof forms a triangular shape. Do not attach the post base to only decking.