![]() ![]() ![]() As above keep screws 15mm from edges & 50mm from corners then tape the joints prior to tiling using Fibatape.Using thinset under cement board is a commonly skipped step amongst many contractors. ![]() Install the boards 6mm above the floor, bath and shower tray, these floor and wall joints need to be filled with a 6mm bead of high quality wet area sealant.Use HardieBacker screws or 30mm galvanised roofing nails when using timber studs.Install the 12mm HardieBacker to framing according to building regulations regarding vapour barrier requirements.Use 50mm alkaline resistant Fibatape to tape across the joints prior to tiling to seal the joints.Keep fixings 15mm from edges and 50mm from corners. Using the EZ Grid fastener pattern as a guide, fasten the HardieBacker with specified nails or screws every 200mm over the surface.Apply a gap filling bed of non-flexible adhesive using a 6mm notched trowel, embed HardieBacker with a sliding motion firmly and evenly.Score and snap the boards to the required size and make necessary cut outs.Fill gaps with a quality bathroom sealant. Leave a 3mm gap between floor and wall edges and any vanity units, cupboards etc. ![]() Do not align with subfloor joints and never allow all four corners of boards to meet at one point.
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