![]() ![]() He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. Rob is in charge of our Tool and Product Review series -Ĭoncord Carpenter Videos where we post all of our tool reviews and video tutorials. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. A full-service remodeling and construction company. Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzzĪs a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. Foundation Sill Anchor Bolt Alternative.The tubes are cardboard and are easily cut with a hand saw.ĪConcordCarpenter’s Newsletter is sent out once a week and is guaranteed to be chock full of useful remodeling and home improvement tips, tricks and advice. I used preformed footing tubes called “sono-tubes” they come in different in 4’ to 10’ lengths. Larger diameter holes spread the weight out over more soil area. In this situation, the soil under each deck footing may be called upon to support 3,000 plus pounds.ĭepending on the porch load, the diameter of the hole will probably range between 8 and 24 inches in diameter. If your deck has two wood support posts and a ledger board that is bolted to the house, each of the two deck post holds up approximately 25 percent of the total weight. Even a small deck might weigh in at 10,000 or more pounds. If you calculate the weight of the entire deck, the furniture placed on it and the combined weight of a large group of people who might be standing on it, you will be shocked at the number. The diameter of the holes for your footings especially large ones, create significant concentrated loads within the soil. Photo: concord carpenter Footing Diameter My inspector wants to see installing deck footings 48” deep. The best source of information regarding your frost line depth is your local building department. The average frost line is Massachusetts is between 30 and 35”. The frost line in southern Florida is less than a foot, while in northern Minnesota it approaches 6 feet. The frost line depth is not consistent around the nation because there is such a dramatic difference in climate from state to state. Photo: concord carpenter Depth Of Footingsįor this reason is always important to install deck and porch footings below the frost line for your area as well as make sure that the installed footing is on soil that will support the footings load. If the footings settle or heave then the building or deck does the same. The wider base also helps prevent frost heave from lifting the deck.įootings for porches are important in supporting and maintaining the integrity of the structure above. Photo: concord carpenter Installing Deck Footings:Ī “footing” helps support the deck by spreading out the loads created by each post over a wider area. Use these reference points to easily locate the proper footing locations and dig the hole with a fence post tool. Once the deck outline is square, drop a plumb bob from the corners to establish these points down at ground level. Nail the outer rim joist to the ends of the two joists that extend from the house. Temporarily support the other end of the joists with a piece of lumber making sure the joists are level. Attach the two end joists of the deck to the ledger joist. My way of installing deck footings starts by attaching the ledger joist to the house. Installing deck footings is very simple to do. If you want your wooden deck posts to be dead center in the middle of the concrete footing, then you need to have the outline of the deck built and suspended in the air. What’s Important when Installing Deck Footings
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