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A KÖSTER tem vindo a produzir membranas para coberturas desde os anos 80. Muitas membranas desta altura estão ainda hoje visíveis e intactas em muitas coberturas incluíndo a cobertura da própria fábrica da KÖSTER.
Waterproofing membrane for drinking water containers. KÖSTER TPO Aqua complies with hygienic requirements for potable water surroundings according to the German DVGW Worksheet W 270 and the KTW guideline. The TPO based membrane is highly tear resistant and provides very high flexibility, so that even large cracks are securely bridged. The membrane is installed by mechanical fastening, requiring little or no substrate preparation. Overlaps are connected by hot air welding. CE Mark according to EN 13967. Fields of application: Drinking water reservoirs, tanks, water retention structures, fish ponds, etc.