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Leaky roofs could become a thing of the past, if the ZeLro (Zero-Leak roofs) Certification Scheme scheme, set up under the auspices of the bre, takes off. Set up by the ZeLro Group of clients, designers, service engineers, contractors, material manufacturers and suppliers, roofing companies and bre Certification, the scheme aims to eliminate leaks and increase durability of profiled-metal roofs, and will be open to all applicants after a three- month trial period.

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