външна или вътрешна топлоизолация

http://andyniri230.tearosediner.net/5-things-everyone-gets-wrong-about-tecna-hidroizolacia-za-bana-cena

Waterproofing a terrace is indispensable to restrict water infiltration, which may lead to structural hurt and mould progress. Here’s a booklet on easy methods to efficiently water-proof a terrace: 1. Surface