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The Metal Gutter Manufacturers Association
was formed in 1994 to represent the leading UK manufacturers
of metal gutters. Membership of MGMA is open to all companies
who manufacture and market metal gutters, downpipes and their
associated fittings in the United Kingdom. The Association seeks
to foster and take part in research and all forms of technical
development in relation to metal gutters and to encourage the
best methods of their production and use with the construction
and allied industries.
The MGMA has a number of key objectives:
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To ensure that published standards in the UK and Europe
relating to metal gutters are in accordance with the best
practice used in the manufacture of metal gutters.
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To encourage technical excellence amongst the member companies
through educational and research programmes.
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To represent the industry on both UK and European regulatory
bodies.
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NEW GUIDANCE ON MEMBRANE GUTTER THICKNESS
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The Metal Gutter Manufacturers Association (MGMA) has published new guidance setting out recommendations for a minimum 1.2mm thickness for structural membrane lined gutters. In addition, the single ply membrane thickness should also be no less than 1.2mm.
Thickness of steel substrate must be considered when specifying membrane lined gutters. Whether single skin or insulated, they should be adequately supported structurally to allow for foot traffic, snow loads etc. both pre and post construction. MGMA therefore recommends that a minimum 1.2mm galvanised steel substrate should be specified as a minimum for walkability, safety and serviceability.
The guidance document can be downloaded here
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