Subfloor for Marble

Old 08-18-05, 12:36 PM
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Subfloor for Marble

What type of subfloor is required to support 12 in marble tiles? What do I check in the plywood and floor joists to ensure proper strength?

If the floor an/or joist are not goo denough, how should I correct them?
Old 08-18-05, 07:38 PM
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What's the joist size, spacing and length of the joists unsupported?, also what do have for a subfloor now, how many layers of what and how thick is each one?

I'll let you know.

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