I need to affix a toilet pan to a concrete floor. What size screw should I use, and should I use a wallplug in the concrete? I am worried about cracking the pan screw hole with the metal screw - should I use some kind of washer or cup washer in the pan screw hole?
Builder's way of fixing toilet to floor (and always forbidden in the toilet fitting instructions)... Make up half a bucket of mortar, drop it on the floor, and plant the toilet on top of it.
More professional way of fixing toilet onto a finished floor surface... Stand the toilet in position on 4 2mm tile spacers (or something similar to space it a couple of mm above the floor). Use a silicone gun to seal around the base, using enough pressure to force the silicone into the 2mm gap. When the silicone is set, remove the spacers and finish off the silicone around where they were (and fill the screw fixig holes).
Thanks for the advice. The flooring is perimeter-fixed vinyl sheet (it's only a tiny understair toilet). Would that provide a stable enough base for the pan using this method?
Some builders use it to glue basins on walls (not sure why). It's stronger than you think! It does prevent temporary removal if you wanted access to the soil pipe to clear a blockage.
Not if they (builders) have covered the entire surface in silicone it doesn't!! Been there, worn the Tee shirt, and riggers gloves to prove it, BASTARDS!!!
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