Langley Waterproofing Systems became the first nationwide supplier to gain Reinforced Bituminous Membrane Full System 40-year durability statements from the British Board of Agrément (BBA).
The achievement of five new certificates with 40 year durability statements, certifies that Langley’s Parafor and Paradiene ranges have passed stringent testing from the BBA, and have been proven to deliver durable waterproofing for a service life of up to 40 years under normal conditions.
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