Home depot cinder block post mount3/24/2024 If you're getting ready to build a deck, a new deck, and you've got to put in concrete piers, and you're just wondering how in the world you're going to do that and get it right, look at this. Hi! I'm Tim Carter, and I'm here at the Re-modeler Show in Chicago, and I just stumbled across a really neat booth. The form snaps together in less than a minute and all the horizontal rebar reinforcing comes pre-cut and pre-bent. This approach is certainly still in use today but, as you can tell from this description, it is not easy.įortunately, not too many years ago, a plastic deck pier form was introduced to the market that creates the footing at the same time as you pour the concrete pier. The trick would be placing the tube or form on the concrete footing in the correct spot and then attaching support boards to ensure it wouldn’t move as you filled the hole with concrete. The vertical concrete pier form might be one you made, or you’d purchase thick round cardboard forms that you cut to the height needed using a hand saw. Once the footing was smooth and level, you would install two extra pieces of vertical rebar steel to allow you to make a mechanical connection between the vertical concrete pier that you would install the next day. You’d also have to stop occasionally to carefully place short pieces of horizontal reinforcing steel and then add the rest of the concrete. Finishing would find you laying on your belly and reaching down into the hole to get this concrete smooth and level. You’d first have to dig the hole for the pier, usually 24 inches in diameter, then pour a concrete footing. It used to be that this required a multi-step process fraught with frustration. You’d probably be better off to consider using poured concrete piers that you construct on your job site. Don’t forget, the normal deck block has no way to mechanically attach to the wood deck posts other than friction. There are very few places in the USA that have this climate. Precast deck blocks are probably best suited for climates where the frost penetrates into the soil no more than 4 or 5 inches in the winter. Precast Deck Blocks vs Poured Concrete Footings or Piers All concrete used to support decks should have reinforcing steel. Concrete only has one-tenth the strength in tension as it does in compression.
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