Such building material

The ceiling on the ground floor on wooden beams is presented in the form of a drywall or sheet of OSB. Such materials are attached to the wooden floors themselves. On the side of the second floor, you need to use mineral wool as a heater as a heater. Such building material is very popular due to its practicality and ease of installation. It will just need to be placed in the openings of the ceilings. A sheet of OSB or wooden boards fall on it, which over time can be covered with any floor covering. You can make a screed on the sheets of OSB and only then make a full -fledged floor on the second floor.