Footing For Deck With Roof

How to get a solid frost proof footing.

Footing for deck with roof.

That is assuming you are using a 4x4 which is 3 5 square. This video shows you how to build the base of a deck foundation or concrete deck footing using quikrete quik tube building forms. If the deck doubles as a porch it needs to be able to support no more than 80 psf. To calculate the load you should use 40lbs per square foot for live loads these are variable loads that are dynamic such as the weight of people and furniture and 15 lbs per square foot for dead loads this is the weight of the materials used for the construction of the deck for a.

Building on an existing deck. For decks with a roof covering this type of foundation also provides some uplift resistance though it s the job of an engineer to determine how much. There is no need to extend a footing below the frost line as is required for standard decks. Illustration by chuck lockhart figure 5.

When you pour concrete footings hold the cardboard concrete form tube about 12 in. Deck footing size chart. We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads. Check out our deck footing frost map to help you understand how deep your footings will need to be excavated.

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. Then dump concrete through the tube into the bottom of the hole. Decks typically are designed to support 55 pounds per square feet or psf of weight. When larger loads dictate a large footing diameter a pier footing a footing of the required thickness topped with a narrower concrete pier is used instead of a large diameter concrete column extending to grade.

You can get away with usually a 15 x15 base and then at least 6 thick so you don t crack the deck footing. For those who desire a bit more shade and privacy while soaking up the rays however a deck roof may be in order. Check local building code to see if you can attach a patio roof directly to your deck. Up from the bottom of the footing.

As beautiful as they are functional the modern deck roofs are an extension of and not a deterrent from the luxurious deck. No shallow footings required according to the main code provision for footings the only requirement for building a deck that is freestanding is that it must have a minimum footing depth of 12 inches below the undisturbed ground surface. Porch decks also require larger footings than deck footings. Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.

In order to determine the proper size for your footings you will need to establish how much total weight they are going to have to support and what kind of soil they are covering. Successfully construct a. Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. Have no fear though.

You will have to wait for the cement to cure and then back fill over top.