Membership Charter


  1. The Metal Gutter Manufacturers Association (MGMA) is a company limited by guarantee.
  2. The company is regulated by its Memorandum and Articles of Association and should comply with the Companies Act in all respects, including the holding of Annual General Meetings. These do not directly affect the running and organisation of the Association.
  3. The company’s affairs are directed by a board of directors which is appointed by the members; plus the Board shall appoint a secretary (executive director) to the Association or other paid official if it considers that to be appropriate or necessary.
  4. The principal activity of the company is to operate a trade association under its own internal rules. These rules shall be enacted by the membership of the Association at general meetings constituted under the same rules.
  5. The MGMA shall support its members and actively promote that their products or services are fit for purpose and reflect the commitment to quality and reliability.
  6. The MGMA shall promote and maintain high standards in business dealings and in the delivery of products and services.
  7. The MGMA shall be regarded as an organisation of authority and professionalism.


  1. Any company, association, individual or other body may apply to the Board to become members of the Association.
  2. Members will be accepted into the Association in the following categories:
    1. Manufacturers of metal profiled, cast or formed gutters (Manufacturer Members)
    2. Designers, engineers, consultants (Professional Members)
  3. Members shall:
    1. Apply for membership in the name of the company and the acceptance of such application shall entitle that company to the benefits of membership.
    2. Pay a subscription as shall be agreed each year by the Board.
    3. Have one vote at the Association’s Annual General Meeting in respect of each full subscription paid.
    4. All members will commit to attending at least one members’ meeting per calendar year. Failure of a company to be represented at a members’ meeting at least once within a calendar year will result, by default, in that company ceasing to be a member of the MGMA at the end of the calendar year.
  4. All members who are manufacturers of goods and services to the industry and undertake design work for third parties shall maintain insurance appropriate to their business including Product Liability Insurance, Professional Indemnity Insurance cover, or similar cover.
  5. The MGMA Board of Directors reserves the right to withdraw membership from any company found to be breaking the rules of this Charter.


The MGMA undertakes to ensure that:

  1. National and international members are committed to providing reliable products and services. Members are accredited to the relevant business management standards
  2. Members who manufacture products will provide on request certificates of origin and product conformity for the primary materials from which the products are manufactured.
  3. In the absence of appropriate British or European standards, manufacturers’ tolerances are as stated in the appropriate MGMA publication.
  4. Products manufactured by member companies comply with the Construction Products Regulations and where appropriate will be CE Marked in accordance with a recognised assessment procedure or harmonised standard.
  5. All MGMA members use internationally recognised calculation methodology or test data as a basis for the performance figures shown in their technical documentation. Details of the design criteria used are available on request from any individual member.
  6. MGMA members employ in-house technical services engineers providing building design assistance to specifiers and contractors in relation to Building Regulations and other required standards.
  7. Member companies will offer advice on appropriate installers and will provide installation recommendations and procedures in accordance with good practice applicable in the country of use or installation.
  8. In the event of a dispute, MGMA members can advise on an appropriate third party to consult. Disputes shall be resolved in accordance with English law.
  9. MGMA members brand all products where applicable to ensure swift and proper identification.


The MGMA undertakes to ensure that:

  1. Members have regard for environmental issues during procurement, delivery (including installation implementation) and waste disposal.
  2. Members strive to minimise adverse environmental impact in the provision of their products and/or services.


The MGMA undertakes to ensure that:

  1. Members have undertaken all work in accordance with relevant health and safety legislation.
  2. Members have a health and safety policy which they uphold in principle and practice.

A copy of the Charter can be downloaded here