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I have a Concrete Foundation Pillar that is 5/8th of an inch too short. What filler materials are appropriate when a steel I Beam will be resting on it? Can I use mortar, or is steel more appropriate?

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mortar is not really structural, I would go with steel, perhaps half-inch plate and some washers

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  • Why 1/2” plate and washers over a 5/8 steel plate? – UnhandledExcepSean Sep 27 '19 at 23:08
  • sure, 5/8 if you can get it. or flat bar instead of plate. – Jasen Sep 27 '19 at 23:11
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    Non-Shrink Structural Grout is an option. Really even wood in the correct orientation is fine. The crush strength of wood is quite high. – Fresh Codemonger Sep 28 '19 at 1:44
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    @FreshCodemonger The appropriateness of wood for something like this can vary depending on conditions and the type of wood. You don't want your structural support rotting away, after all. – nick012000 Sep 28 '19 at 9:00

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