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Guidance Document 18 Eaves gutter design flow

Publication Year

2026

Document Status

Current

Abstract

Calculations for gutter specifications based on the requirements of BS EN 12056-3:2000 illustrated with a design flow chart to determine roof length draining, catchment area and gutter flow capacity.

Document History

June 2026 edition. Supersedes 2018 edition. First published as Information Data Sheet GD 18 on May 2017.

Publisher Information

Metal Gutter Manufacturers Association

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