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Maplelongjohn t1_ivoo6rc wrote

Shims are ok as long as they can support the load.

A cedar shingle will crush under relatively low load.

Steel won't crush if you can source it.

Plywood is also good but would likely need to be treated if it's exterior.

In the states one can buy synthetic shims that would likely suffice for a deck load.

Also cutting your own shim stock from treated lumber is an option.

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mightynifty_2 t1_ivoozm9 wrote

This is exactly what I was hoping. I'll call the permitting office today to make sure there's no fuckery with the inspection, but this is great info for which material to get, thanks!

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housebird350 t1_ivp5g6z wrote

I would get a "post saddle" like a Simpson strong tie or similar that you can buy at Lows/Home Depot and just shim it with something that wont rot like a piece of synthetic decking cut down to proper size.

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GanacheWeak6896 t1_ivowqxd wrote

Don't use plywood for anything exposed to the elements. The glue will separate and de-laminate itself. Solid wood only for outside and element exposed construction. Especially a deck. Steel is not a good option either as it will rust. Galvanized is ok and might act like a post cap preventing the post from sponging water through the end grain.

Best method for repair is still splicing or replacing the post

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ZeroFries t1_ivpcowj wrote

White oak shim wouldn't compress nearly enough to make a problematic difference.

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Carorack t1_ivpn0t7 wrote

My idea was also shim it with white oak, ipe, osage orange or black locust

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