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Guidance Document 06 Siphonic roof drainage

Publication Year

2026

Document Status

Current

Abstract

How siphonic roof drainage works, and the advantages of this roofing system for draining substantial volumes of water from large buildings.

Document History

June 2026 edition. Supersedes 2018 edition. First published as Information Data Sheet GD 06 on June 2012.

Publisher Information

Metal Gutter Manufacturers Association

Formed in 1994, the Metal Gutter Manufacturers Association represents UK manufacturers of metal gutters.