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attachment specifications

Posted by tomh on March 26th, 2003 05:47 PM
In reply to wonderboard by perchman on March 26th, 2003 05:29 PM [Go to top of thread]

Wonderboard Tile Backerboard should be fastened to a subfloor (exterior grade plywood) using 1-1/2-inch-long galvanized roofing nails having a head diameter of 0.40 inch and a nailing schedule of 6" to 8" O.C throughout the field. Nailing must be 1/2 to 2" away from edges and corners. On floors use a latex modified morter setting bed notched with a 1/4 x 1/4 trowel. The Wonderboards should have a 1/8" gap at all joints and corners. Fill the gap with morter but no tape is required.

The manufacturer does not recommend gluing or screws. I used to work for Louisiana Pacific who divested this product some years ago to Custom Building Products. Attachment specifications are from material data sheet I have from 4 years ago, and requirements may have changed.

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  • Update by tomh  3/26/03 05:59 PM

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