хидроизолация на таван на тераса

https://zenwriting.net/benjinhedd/budget-friendly-waterproofing-solutions-whatand-39-s-the-price-tag-waterproofing

Roofing system waterproofing with slurry is a technique that involves applying a cementitious or polymer-based slurry mix to develop a water-proof barrier on the roofing system surface area. This method is especially