Use a piece of chalk to mark all obvious high and low spots on the floor.
Concrete floor too high.
The toilet would have just rocked on top of the plastic closet flange.
Depending on how high the hump is.
With concrete floors there is more room for flexibility since the strength of the overall slab.
It is very hard to get.
Plain concrete slabs have served as the flooring material for basements garages patios and utility areas for many years but concrete is now also a viable material in home interiors where it can be polished etched or stained to serve as the finished flooring surface if you are used to thinking of concrete as a utilitarian surface suitable only for utilitarian surfaces the many virtues.
Too much heat such as 38 degree days and over accelerates the curing leading to cracks.
Toilet flange too high in concrete floor.
One bag will yield one large bucket full and cover around 50 sf.
Mark any concrete bumps that are raised above the rest of the floor with an x and any dips that are lower than the floor with an o.
If the levels of moisture are very high in the concrete there are various products on the market that can be applied to the surface moisture mitigation product to minimize how much comes out and can affect the flooring finish you wish to apply.
32 years ago i built a house in my spare time.
Modern concrete building structure floors are surface sprayed with a resin to slow the evaporation from the surface of the concrete to prevent cracking.
If it is a small bathroom.
Removing high spot in concrete 1.
I plumbed the toilet flange about 5 8 too high out of the basement floor and had to cut a piece of 5 8 floor underlayment to raise the height of the toilet base.
With wooden subfloors this is only a realistic solution if the peak is less than 1 4 inch high.