The problem with this is that the floor in our house is tinted concrete so we have very few options to remedy this.
How to level concrete floor for toilet.
I installed a toilet a few videos ago but it wasn t level and it wobbled a bit.
Set it back into position over the floor drain making sure the holes in the toilet base slide over the flange bolts.
Use tapcon anchors or a similar type of masonry concrete screws to fasten the toilet flange to the concrete slab.
Hammer a shim gently between the floor and the toilet base to bring a low side up.
If using a plastic flange ring be careful not to crack the ring by screwing the anchors in too far.
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Sit on the toilet again and rock back and forth or use a carpenter s level to precisely measure how even the floor is.
Reconnect the water supply line and open the shut off valve again to turn it back on.
Place the carpenters level across the toilet bowl side to side and note where the bubble level is.
There must be a 3 inch diameter drainage pipe rising up from the concrete as well as a water supply pipe coming from an adjacent wall.
If it is level enough to your liking the toilet is now fixed.
With the toilet flange in place you are ready to install the toilet with a new wax ring.
If not you may need to make additional minor or major adjustments.