Footings For Deck Roof

Up from the bottom of the footing.

Footings for deck roof.

The footings for porch decks must be larger than deck footings. Learn everything you need to know about installing concrete footings to support your deck. Do this by nailing the sides of the tube to the center of a tic tac toe grid of 2x4s at the top of the hole. For an upper deck with a landscaped backyard below a belled pier may be the way to go providing for larger bearing areas but without as much concrete in the flowerbeds.

When you pour concrete footings hold the cardboard concrete form tube about 12 in. Then dump concrete through the tube into the bottom of the hole. Porch decks also require larger footings than deck footings. Start here if you re building a roof over a patio or deck.

Put a roof over that deck and perhaps a pier footing foundation is a better choice because it offers more uplift resistance. 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. How to get a solid frost proof footing. Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons.

If the deck doubles as a porch it needs to be able to support no more than 80 psf. We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads. Decks typically are designed to support 55 pounds per square feet or psf of weight.