The bulk sex is a self-leveling and fast frozen polymer mixture, which is poured onto a concrete tie. The polymer when frozen becomes very plastic, so if he cracked, then the cause of cracks is not in it. The reason is in a poorly prepared foundation. What to do if the cracks went through the frozen bulk semi?
1
First, just follow the floor for some time. If only one crack was formed in the room, it does not grow and other cracks do not depart, then such a problem is possible to solve. This crack just pour the same liquid polymer, but here you need jewelry accuracy. After drying, the floor in this place is cleaned with the very small grinding skirt. This method can be used if another coating (parquet, tile, laminate, linoleum) will be laid on the bulk field.
2
If multiple cracks were formed on the floor, then you should not even think to restore it. No matter how regrettable, the bulk coating will need to be completely dismantled. You can do this with the help of a grinder that it is necessary to cut the coating on the fragments, and then remove them with a large spatula.
3
Next, remove the screed, which was most likely laid with a violation of technology. Or too much sand was placed in a solution, or cement was not taken by the brand that is required. Cleaning the space to the concrete construction slab, make a new substrate under the bulk floor. Tips on the device of high-quality screed you can find on the Internet, for example, here. Do not use foreign sources of heat to dry the screed, like thermal guns or gas convectors. So that the cement mortar froze well, it should dry yourself.
4
Well, after the foundation is fully prepared, pour On him a new bulk floor. The bulk floors are epoxy, polyurethane, polyester - the name depends on the filler, which is present in a dry or ready-made spill mix. Each type of floor requires preliminary priming with a special construction primer, which should be the same brand as the floor itself.
5
Observe the manufacturer's recommendations in the thickness of the mixture of the mixture on the screed and in terms of the conditions for drying the bulk gender.
If it is strictly observed by the technology of the device for the floor under the floor, and then the technology of its fill, then the cracks in the floor will never appear. Good luck in repair!
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