WebMay 24, 2008 · HardieBacker board must be installed in accordance with local building codes and the floor must be engineered not to exceed the L/360 deflection criteria, including live and dead design loads, for the specific joist spacing used. HardieBacker board is not designed for use over concrete. ". - HARDIEBACKER™ BACKERBOARD - FAQ. WebUnlike Sheetrock, the edges of the cement board (in this case, hardibacker) aren't beveled at all. In the past, when I've done this, I had a rough time getting a relatively flat surface. I can tape and mud sheetrock fairly well. I guess I suck at cement board. :) –
Installation Guide - James Hardie Pros
WebDec 11, 2024 · Learn how to install HardieBacker Cement Board on walls and the appropriate materials and tools that you’ll need for the job. HardieBacker Cement … WebStep 6: Tape and Seal the Joints. Apply the cement board joint tape to all the gaps between sheets and cover with thin-set mortar in a thin layer. Use a drywall knife to apply the mortar and work so that the tape is covered and the joints are smooth and level. Refer to the manufacturer’s instructions in regard to the appropriate curing time. matthew aschbrenner
How to affix hardibacker board to concrete? - iboats.com
WebHardieBacker 500 may be used up to a height not exceeding the lesser of: through the second-story above grade or 30 feet above grade. The HardieBacker 500 must be … James Hardie Industries, makers of HardieBacker, and USG, makers of Durock, indicate that their respective cement backer boards should notbe installed over concrete. 1. James Hardie: HardieBacker specifications specifically exclude concrete as a base for installation. 2. USG: Durock does not expressly … See more Normally, installing cement boardis not regarded as necessary when you are laying tile onto a concrete slab. Since this subfloor is already … See more Manufacturerprohibitions or omissions are warranty issues. The questions remain: Can you effectively pair two cementitious products—cement board and a concrete slab? There is no … See more Technically, cement board can be laid over a concrete slab as the base for a tile installation. But doing so is a very laborious, time-consuming process that is likely more trouble … See more WebShop James Hardie 3-ft x 5-ft x 1/2-in HardieBacker Fiber Cement Water Resistant Backer Boardundefined at Lowe's.com. Hardie® Backer cement board is a tile underlayment made to use on walls, with floors … hercules hospital