One of the favorite thermoisolating materials that are used when putting in windows is polyurethane ( PU) isolating foam. The structure of the foam consists of many closed air bubbles that reinsure their thermoisolating ability. The standard assembling of the windows and door with PUR foam is one of the most common complaint reasons of the customers. The customers complain about the fact that after a while they find mould on the scuncheon. Is it really true?
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