вътрешна топлоизолация

https://postheaven.net/agnathtcyp/5-crucial-actions-for-waterproofing-your-terrace-and-averting-water

Waterproofing a roofing balcony is necessary to protect against water infiltration, protect the architectural stability of the structure, and improve the durability of the balcony. Right here's a thorough overview