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Guidance Document 21 Guidance on selecting the correct rainfall intensity

Publication Year

2020

Document Status

Withdrawn

Abstract

Advice on safe and effective roof drainage systems design, covering UK Standards, risk categories and building lifespan, and rainfall graphs.

Document History

Superseded by the April 2022 update. May 2020 update. Supersedes the December 2018 edition. First published July 2018.

Publisher Information

Metal Gutter Manufacturers Association

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

106 Ruskin Avenue
Rogerstone
Newport
MGMA
UK

Website: http://www.mgma.co.uk
Email: mgmagutters@gmail.com
Tel: +44 (0)1633 891584