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Summary: Demolition prep for tearing down a deck and building a new one starts with taking the railing and decking off and using a Sawzall to cut the joists in half and pry them down. When demolishing an old deck, use the right tools and safety equipment with tips from a deck repair specialist in this free video on home improvement.
Steve Snow has been repairing decks in Cottonwood and Sedona, AZ for 9 years and is the owner of Decks R Us.read more
"Now up on top of the deck we've taken off the railing where we chopped off 4x4s, dropped that off. Taken off the decking, the 2x6 decking up there and we're down to the joist here. So what I would do is just take the Sawzall and just slice your joist in half. And then just pry them down out of their joist hangers. And generally they'd just have just a little teak nails that are in the joist hangers. So once you cut it they just, they'll just pull down very easily. One thing you have to do is make sure you're wearing a hard hat and that you don't have stuff that's going to fall on you. When you come over to the beams that hold all this up, you have to be careful about that also. O.k. so you're taking down your joists, splitting them, pulling them down. You want to make sure that you don't just take all of the support off of your main beams. You have to have something holding it together. Once you get to the point where it's becoming loose then you might want to saw out sections of the big beams up here and then the 4x6s to get it down. That's the most important thing. Wear a hard hat so it doesn't hit you in the hide like I've been hit in the head. And cut it into sections so you're not just having a great big hunk that you have to deal with and all the weight."
eHow Article: Building a Deck: Demolition Prep