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OKDrew63 08-16-2012 08:44 PM

Deck Pier Shims
I'm building a floating deck and have a total of 9 concrete piers that will be hold 3 beams (under a hot tub, main beam in the middle). Two beams will have joists sitting on them and the joists will attach to the main beam and rim joists with joist hangers.

From taking a few measurements and eyeballing, it looks like the piers are a bit low, which I would think is better than high.

Any suggestions on how to shim the beams up to the height I need? Galvanized washers? It's maybe 1/4-3/8 at most. The concrete kind of sunk in the pier more than expected (Quikrete)

Daniel Holzman 08-16-2012 09:44 PM

You should be using a galvanized bracket such as the type Simpson makes for attaching a beam to a concrete pier. If you are using such a bracket, shimming is very easy, you can use wooden shims, galvanized steel shims, or stainless steel shims. You should post a picture of your pier and beam situation, hard to visualize otherwise.

OKDrew63 08-17-2012 07:21 AM

I'm using the Simspson ABA44 bracket to hold the beams. I'll try to get a pick, but won't be until much later today.

Would an ACE Hardware carry these kinds of metal shims? I'd prefer to stay away from wood.

OKDrew63 08-20-2012 07:32 AM

I picked up some composite shims and got the issue resolved. These work pretty well and don't have to worry about rot.

coupe 08-20-2012 02:13 PM

I've been using plstic horseshoe shims. since 1977 for many projects from alucabond panels to keeping Z-bar straight. keep a couple hundred on hand, they come in handy for many things
good luck

Queequeg152 08-20-2012 02:20 PM

are these shims appropriate when the concrete itself is slanted slightly?

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