In order to

Correctly stacked noise insulation looks like this

In order to avoid “fuss” with wet types of screed, there is a so -called dry look. For such a screed, all well -known sheet materials (OSB, drywall, plywood, etc. are used. D.) that simply lay on top of the noise insulator in two layers (to increase strength). Sheets are interconnected by glue or special grouting.