Mud vs. Fiberrock


Old 11-07-04, 07:57 AM
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Mud vs. Fiberrock

I'm getting conflicting advice on a project to remove existing wood tounge & groove wood flooring and install new 18" marble. Existing subfloor is fairly level and solid (i.e. no appreciable deflection under foot).

From one party I hear that cement and wire lath is the way to go. From another I hear that a cement board product called Fiberrock is the way to go.

Any comments or reccomendations would be greatly appreciated!

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Old 11-07-04, 04:17 PM
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Join Date: Mar 2003
Location: NC, USA
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Well, Durarock is used very often under tile but marble is pretty weak and the large 18" tiles don't help. Marble will break with the slightest movement. I'd go with the stiffest, strongest recommendation and then do a bit more.
Old 11-08-04, 04:58 PM
Join Date: Nov 2002
Location: Canton Ohio
Posts: 1,397
Before undertaking the marble installation, you must make sure your floor is stiff enough to support a natural stone floor. What is the size span and spacing of the floor joists?

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