A room that is too hot or too cold may cause the self-leveling compound not to set up properly, and can cause it to crack when it dries. ... You may also need to wait a day or two prior to the application of the self-leveling compound in order to ensure a climate that is conducive for its use.
Is it normal for self leveling concrete to crack?
A DIY self-levelling cement job might look good for a few months, maybe even a couple years. But if it's not done properly, eventually it can start to crack. If your floors move or bounce, that cement can crack, too.
Can you put a second coat of self leveling compound?
Can You Put A Second Coat Of Self-Leveling Concrete Down? Yes, it is possible to lay a second layer of self-leveling concrete once the first layer is fully set and dry. Primer should be used before pouring just like with any concrete floor. It is best to wait 24 hours.