Footing Required If Deck Roof Ties Into House Roof

Make a cutting on one of the sides of the horizontal roof beam on an angle.

Footing required if deck roof ties into house roof.

The desired width of a porch and the vertical distance from the floor or deck level to the windows on that side of the house determine how steep a roof can be. After that to make it flush with the roof of the existing house cut the two outer rafters. Once the deck roof is tied in you shouldn t have any problem. This guide focuses on the critical connections involved in deck construction and what the.

You want to ensure that your deck support posts resist lateral and uplift movement. Deck posts should be 4 6 pressure treated lumber and have galvanized or stainless steel connectors attaching them to the rim joist. These posts should be cut to the right length so that the roof slopes to help with water running off. Water leaking around an old deck ledger can cause significant damage to the house framing.

If the windows are 12 feet from deck level and the porch is 16 feet wide with 8 foot high walls the porch roof can have about a 4 12 gable pitch. Attach the horizontal beam by using a nail gun. After the old deck is removed you ll be able to tell if you can still use the house rim. You have to do it thoroughly so that the rafters sit flush on it.

The existing house rim and the lower support walls need to be solid enough to support the multi ton weight of a deck filled with people. Deck support posts should be mechanically fastened both to the footing in the ground and the deck frame or beam.