I nee to build a deck at ground level, which means the joists will be slightly above grade. I am planning on using sonotubes. The perimeter of the deck will be 4×6 ptdf, and the perimeter has some 45 degree angles.
Normally the decks I build, the the joists sit on beams which then sit on posts that then sit on concrete piers. I don’t have room for that here. I went through the Simpson Catalog and was unable to locate any connectors that work in this sort of situation.
I was thinking of placing/sinking some trex into the top of the concrete piers. This way I could set the 4×6’s right on top of the sonotubes and attach them to the Trex sunk into the top of the piers.
I figure the trex would not rot like treated wood would eventually. I was hoping someone else had run into this situation and had another idea/ideas.
Thanks
Replies
Did you look at any of the strap (?) anchors from Simpson. I used them as a hold down with joists that sat on block (porch). Imbed the one end in the tube. When you set the joists, pull it up and over and fasten. There's some U shaped stap anchors too I believe. Those you can come up both sides of a 2x4/6 plate and anchor. If you have a problem I might be able to find them in the catalogue and give you a number.
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I was looking at those, and I might go in that direction. Placement would have to be exact though, with very little room for error.
I was also thinking of using some sort of galvanized L-bracket as a hold down.
Exact would be the ticket. Why not set up your batter boards to give you the centers of the tubes, and mark off the centers of those brackets (wherever they would fall on the tube). Pull the lines to pour the tubes, set them back up and insert those straps in there-refinishing the tops how you want. I would think you would have time to do that unless you had a boatload to do.A Great Place for Information, Comraderie, and a Sucker Punch.
Remodeling Contractor just outside the Glass City.
http://www.quittintime.com/
Placement would have to be exact though, with very little room for error.
Not if you use wider perimeter beams which are strap-anchored to sonotube piers set just below grade. If heights are a little off, just notch or shim the framing to align with the piers. Then backfill against the bottoms of the perimeter to hide the entire foundation system and not have a gap under the deck for debris and critters to get into.Riversong HouseWright
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If your deck has to pass code, you might need to check clearances since there are minimum clearances under any deck and the same goes for Trex. Seems the clearances for the Trex has more to do with temperature than moisture.
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