Newton 503 is a high quality cavity drain waterproofing membrane, supplied in a plain variant for walls and floors and a meshed variant for receiving plaster or render to walls, and used within Newton System 500, our internally applied waterproofing system that includes Newton drainage and pumping systems. Depending on the variant, Newton 503 is suitable for the waterproofing of earth retained walls, vaulted soffits and floors, is guaranteed against deterioration for 30 years, has a life expectancy of at least 50 years (DIN 9001:2000), and is supported by BBA Certification Number 94/3010.
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