Plwood Thickness or Hardi Thickness

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Old 11-03-14, 04:22 AM
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Plywood Thickness or Hardi Thickness

hey all...im looking to tile my 10 sqft entry and am debating to go with 1/2" hardi and 3/8" ply or 1/4 hardi and 5/8" ply?

thank you
 
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Old 11-03-14, 04:25 AM
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Plywood will help to stiffen the floor while cement board will not.
 
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Old 11-03-14, 05:47 AM
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What do you have for a subfloor now that you are planning to overlay? 1/4" hardi is all that is needed for floors, 1/2" is used for wall applications. An additional 5/8" would be a minimum in my book. I almost always default to 3/4" ply if room permits.
 
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Old 11-03-14, 01:37 PM
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What's the size, spacing and unsupported span of the floor joists?

Ceramic or natural stone tile?
 
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Old 11-04-14, 04:02 PM
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thanks guys...i'll provide a greater thickness of plywood. Going with 1/4" hardi and whatever composite thickness of wood glue, ply, thinset, 1/4" hardi, mortar and tile will allow without conflicting with existing door swing
 
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