Can you tile over backer board

There are screws made for concrete board. Bugle head like drywall screws but they are coated to resist corrosion and have sufficient strength to support the board. The heads are larger than deck screws or drywall screws, too.

Rona, HD, HH will all have them. Do you have to put Thinset under cement board? You do not need to tape or thinset. The thinset you use for tiles will cover any gaps and gaps don't need to be filled. I suggest you lay down plywood over the planks with subfloor glue and decking screws.

Do I need to waterproof shower walls before tiling? Prepping for shower tile is different than the prepping for tile on drywall. A shower is considered a wet application, so you need to waterproof the foundation, which you'll learn how to do in these instructions. After the waterproofing step, the instructions are the same as if you were installing tile on drywall.

Install the cut tiles the same way the full sized tiles were installed. Leave the thinset to cure for 24 hours. Mix a batch of grout according to the package directions. Remove the spacers. Pack the grout into the grooves between the tiles with a rubber grout float. Wipe away grout from the surface of the tiles with a damp sponge. Cure the grout according to package directions. Clean any remaining grout residue from the tiles with a neutral tile and grout cleaner. Based in southern Virginia, Kristy Robinson has been writing for various websites since Her work focuses on tutorials and self-help articles.

Alkaline-resistant tape should be placed over the joints and then feather the tile adhesive to leave a mm wide joint. When tiling with a cementitious-based tile adhesive, prime the face of the board with one coat of BAL Primer — diluted by volume of water. Watch the how to video here. Both 6mm and 12mm HardieBacker cement boards can be used on masonry walls. HardieBacker can take up to kg of tile hanging weight per m2 so almost any tile can be fixed.

The boards should be installed onto a clean and smooth surface and all dry lining removed prior to installation. Place three vertical, mm, beads of high strength cartridge adhesive evenly down the back of the board and press firmly against the wall. The board joints should always be staggered in a brick pattern and fastened with 9 6mm x 60mm stainless steel screws into brown wall plugs.

Screws should remain mm from the top and bottom edges and 50mm from the left and right edges. Ensure you do not overdrive the screws and the screw remains flush with the front of the board. Once secured cover the joints with Alkaline-resistant tape and feather the tile adhesive to leave a mm wide joint. Locate any existing studs with a stud finder and mark the plasterboard or plaster. The boards may be installed either vertically or horizontally ensuring all vertical joints are made on the centre of the studs.

Leave a 3mm between the floor and wall edges, this should be filled with a good quality silicone sealant. Fix stainless steel screws a minimum of 45mm in length at mm centres and mechanically fix every mm down each stud. Select personalised ads. Apply market research to generate audience insights. Measure content performance. Develop and improve products. List of Partners vendors. Project Overview. Featured Video. Materials Cement board sheets Thinset mortar Cement board screws Self-adhesive cement board mesh joint tape.

Installing Cement Board on Floors Plan the Installation Make a rough plan for the cement board sheet layout, based on the area to be covered and the size of the cement board sheets. Related Topics. Kitchen Tile Bathroom Tile. Show Full Article. Your Privacy Rights. To change or withdraw your consent choices for TheSpruce.