As a Ventilation Contractor we have the resources, skills and experience to offer our clients the full range of associated services. We can provide these as a complete turnkey package or individually to suit their needs. Services offered include:
We use the latest computerised estimating software to provide accurate and consistent quotations. We can provide quotations from prepared bills of quantities, contract drawings, site surveys. If you have an enquiry please get in touch to discuss.
CAS have access to full ductwork and general sheet metal manufacturing capabilities, including a welding and paint shop. We can supply all types of ductwork.
We also offer a bespoke manufacturing service. If you have a requirement for a sheet metal item or product, then why not contact us to see if we can assist.
Our specialist site teams provide installation services. Our employees are fully-trained to the highest standards including CSCS, IPAF, PASMA, Manual Handling and Asbestos Awareness.
With a full Autodesk suite we regularly provide drawing and modelling services as an integral part of our work package. Drawing and modelling are available as a stand-alone service, and we also offer the very latest in 3D Modelling.
We have unparalleled knowledge of our industry standards, specifications and practices and provide full compliance for all products and services offered. Specifications we work to include :
DW14 :: Sheet Metal Ductwork
DW/144 is the Standard Specification for ductwork manufacture and installation and is aligned to all current BS, BS EN ISO and other standards and regulations. It defines specifications for sheet metal ductwork for low, medium and high pressure/velocity air systems and covers ductwork application, materials, classification and air leakage. It covers technical information to be provided by system designers to ductwork contractors and looks in detail at rectangular, circular, and flat oval ductwork. It also outlines updated information on hangers and supports, smoke and fire dampers, external ductwork, internal duct linings, thermal insulation and air terminal units.
DW145 :: Installation of Fire and Smoke Dampers
Lays out the basic principles in the design and installation process and identifies the responsibilities of designers, builders, manufacturers, local authorities, mechanical services, ductwork and other specialist contractors. Details processes and protocols that must be addressed when fire and/or smoke dampers are to be installed within a building’s ventilation ductwork system.
DW154 :: Specification for Plastic Ductwork
DW154 details industry standards for the manufacture and installation of plastics ductwork, reflecting advancements in technology and working practices during recent years.
DW172 :: Specification for Kitchen Ventilation Systems
The Specification for Kitchen Ventilation Systems (DW/172), first published in 1999, is generally acknowledged to be the most authoritative specification for the sector in the UK and in many parts of the world.
Includes guidance on pollution control to reflect new thinking on indoor air quality and the level of permissible toxins in breathable air. Covers services like ductwork and grease extract cleaning filter cleaning and replacement, and water treatment.
TR19 :: Internal Cleanliness of Ventilation Systems
Testing and cleaning of air distribution and kitchen extract ventilation systems to meet required standards, with reference to UK and European Standards for cleanliness of air duct systems. Covers best practice for ensuring that kitchen extract ductwork is maintained to minimise the risk of fire associated with grease accumulation.
