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Rigid Insulation Structural Values

Rigid Insulation Structural Values

Rigid Insulation Structural Values

(OP)
Does anyone have any allowable bending stress values for rigid insulation?  Thanks

RE: Rigid Insulation Structural Values

Seven seems about right, but I have gone as high as 7.5

what is your application for the question, enquiring minds want to know

RE: Rigid Insulation Structural Values

Talk to the mfg??

RE: Rigid Insulation Structural Values

(OP)
Well, long story short.  I have a situation where I'm supporting about 6" of soil from going underneath a continuous grade beam (washing underneath the grade beam) with rigid insulation.  I just want to make sure it won't snap off.

RE: Rigid Insulation Structural Values

I bet it will be quicker to get a piece and test it yourself than talk to the MFG. How long of a cont. piece is this? why is the footing being washed away?

RE: Rigid Insulation Structural Values

I wouldn't count on any strength from the insulation: it is very easy to damage, and once it's damaged it has just about zero bending strength.

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