The Ductwork Design, Manufacture & Installation Specialists

CDM Building





With almost 20 years experience in the design, manufacture and erection of ductwork systems, CDM have the knowledge and capabilities to complete any project to the highest standards.

CDM are centrally based in Loughborough, Leicestershire and have carried out contracts throughout mainland UK, Northern Ireland and the Irish Republic. We have also completed projects in Europe.

We have invested in technology to enable us to meet our customers needs in today's fast track trading environment. This has also enabled us recently to carry out contracts with values up to £1,000,000.

At CDM, we are continuously striving to improve the quality and efficiency of our service. We have recently been accredited with ISO 9001 and ISO 14001.

 CDM Factory Floor

CDM Ductwork - Factory Floor



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Boots & Access Doors  Boots & Access Doors 2

Boots and Access Doors

Our advanced 3D Drawing software allows us to accurately design each piece of ductwork, enabling us to cut in all boots and access doors in house. We believe that this increases the accuracy, minimises the installation time on site and eliminates the possibility of human error.



  Access Door      Access Doors - Multiple Sizes

Manufactured Access Doors

CDM are manufacturers of insulated ductwork access doors. In house tooling allows the doors to be made to any dimensions, for any application.



Fire Rated Ducting  Fire Rated - Spraying

Fire Rated Ductwork

CDM are certified in manufacturing and installing fire-rated ductwork using the Firemac system. The ductwork is manufactured as standard, then a fire-proof material glued onto the duct using a strong adhesive. The frames are riveted on using steel rivets as the specification dictates. This system provides up to 2 hours fire rating as standard, but we can offer up to 4 hours if required. Upon installation, all fire rated ductwork is inspected by an independent Firemac inspector and a certificate of conformity issued.