 ehoffman74 Posts 1
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Our remodel is going relatively smoothly, but can't remember Tile Shops recommendation for the best location for use of the ProShield HPG waterproof membrane. Is it best installed on our exterior grade osb (oriented strand board) subfloor or on top of the 1/4" hardi board. If hardi board is OK do we install the reinforcing joint tape before or after proshield application. Final finish material is a 3/8" marble mosaic tile. Appreciate any thoughts.
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