вътрешна или външна топлоизолация
https://zenwriting.net/clarusjfzr/waste-management-of-deconstructed-external-thermal-insulation-composite-methods
Waterproofing is the entire process of creating an item or framework water resistant or h2o-resistant, so it continues to be reasonably unaffected by h2o or resisting the ingress of water under specified conditions.