All Caldwell products are manufactured according to BS EN ISO 9001:2000 certified Quality Management Systems.Where product standards do not exist Caldwell have set in house procedures. Further information on specific testing is available from our technical department. |
![]() Certification Number Q0551 |
Caldwell are members of The Council for Aluminium in Building (CAB) which brings together three existing trade associations, the Architectural Aluminium Association, The Patent Glazing Contractors Association and the Aluminium Window Association, into a unified voice. |
Caldwell Hardware (UK) Ltd is proud to be a member of the Glass and Glazing Federation (GGF). The GGF is a leading body in the UK for the development of the glazing industries with members required to operate within a strict code of good practice. The GGF has a large membership from companies within the flat glass, window, home improvement, plastics and applied window film industries within the UK. The GGF produces many leaflets and videos about all aspects of glass and glazing. |
RIBA (Royal Institute of British Architects) is a professional body for Architects based in London.
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