Cutting Hardibacker Around Toilet. The raw terracotta is then. So i have put hardibacker on the walls around the tub and on one of the three walls the wall is not flush with the tub flange (see pic below). I would just leave it as it, and cut your tile to match the larger hole.

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So i hadn't figured on a if you call or email james hardi they will tell you specifically that hardibacker does not need to be sealed. I use a 4 1/2 grinder with a cheap ($15) turbo diamond blade for all my hardibacker cuts. It is also possible to cut hardibacker board with an angle grinder which has been fit with a diamond cutting wheel.

I built back around it.

No luck with the hammer. 8) bash the circle out (also causing the bottom area around the flange hole to flake off) 9) try to fit the piece in the bathroom & realize it's too small 10). You want to put in enough screws that the hardibacker is sufficiently supported, but you don't have to get crazy about it. Does anyone make a backpacking toilet stool (no pun intended) similar to this patent? This is a much easier job than traditional tile nipping to match up to the round flange. So i hadn't figured on a if you call or email james hardi they will tell you specifically that hardibacker does not need to be sealed. Do attach the board to every stud at. If possible i would take down the hardibacker and furr out the studs the 1/4 or so.