For really bad floors self leveling compound also called self leveling underlayment is a lifesaver.
Tiling wall fill low splots with thinset.
Is it ok to use thinset to adjust the slope and fill low spots even if it means skimming the entire surface to make adjustments.
Pour thinset powder into a bucket and add water.
How to use a thinset for leveling.
Deep screed thinset over them to create a flat surface.
Thinset tile mortar provides a very strong bond and is resistant to moisture and mold growth.
Fill in the unbowed areas of the wall to bring them in line with the bow by floating extra thinset made extra sticky with the addition of an additive such as latex.
If you find low spots more than 1 4 in.
You may want to tape several strings down criss.
Low areas on a surface can be built up with thinset mortar mixed with an additional aggregate of very coarse sand a few days before tile is laid.
Lay a flat board over the tiles paying attention to the uneven spots and beat the board with a rubber mallet.
Thinset is also heatproof so it will not lose its grip in hot environments.
Or is it better to put another thin layer of the mud mix that i used for the shower base.
Using thinset to fill in low spots.
This will drive the tiles deeper into the mortar.
If more pressure is placed on low.
Need to make some adjustments in the shower pan pitch where i have flat spots and or low spots or the pitch is slightly off.
You just mix the powder with water and pour to create a flat smooth surface.
Mix the combination until it has the consistency of peanut.
Mix it very thin and runny so when you pour it it will run to the low spots.
This technique works best for.
Because it is cementitious thinset is dimensionally stable it will not shrink or contract.