Welcome To Pinnacle

The South Coast's leading Sheet Metal Fabrication specialist.

Established in 1992, we have been fabricating high quality HVAC ductwork and bespoke sheet metal products to customers nationwide. Today, we offer a range of products, bespoke design and manufacturing, and competitive pricing on duct supplies and accessories – your one stop HVAC shop!

Sheet Metal Specialists

Pinnacle is a leading provider of high-quality sheet metal and ducting fabrication services on the South Coast. With over 30 years of experience in the industry, we have established a reputation for producing precision-engineered sheet metal and ducting components that meet the diverse needs of our clients across many sectors.

Our manufacturing facility based in Havant is equipped with the latest technology and machinery, enabling us to produce high-quality products that meet DW144 standards. Our team of skilled professionals is dedicated to delivering exceptional customer service, ensuring that each project is completed on time to the highest quality.

Whether you need custom ducting solutions for your HVAC system or more complex and bespoke sheet metal components for your next construction project we are here to help.

More About Bespoke Fabrication
Sheet Metal Specialists

HVAC Ductwork

For HVAC systems, we specialise in the fabrication of DW144 compliant ductwork from our factory based in Havant, Portsmouth.  

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Bespoke Fabrication

If you can draw it, we can make it!  Bepoke sheet metal design and fabrcation for all your projetcs - send us your drawing and let's talk! 

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Your One Stop Shop

Competitive pricing on all HVAC supplies and accessories including Sprial ducting, PVC ducting, insulation, attenuators and more...

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ResiDUCT™ Ductwork

A simple solution for residential projects, and is suitable for MVHR and MEV ventilation systems. It offers a larger cross-sectional area than typical plastic ducting.


A1 Non Combustible

Galvanized steel achieves fire class A1 maintains its strength at elevated temperatures (melting point range of 1450-1520°C). It is defined as non-combustible. 

A1 Ducting

HVAC Trade Counter

Open Mon - Fri, our trade couner is stocked with  items for collection including Spiral & PVC Ducting. Weather Louvres, Grilles and a full range of ancillaries and consumables.

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Your one-stop HVAC Shop

Competitive Prices and Next Day Delivery available
on a range of HVAC supplies for all your onsite needs

Spiral Ducting
PVC Ducting
Flexible Ducting
Fixings & Accessories
Grilles & Diffusers
Air Valves
Fire Dampers
Access Doors


Specialist Products

Residential Ductwork ideal for MVHR Systems
Overheating, air quality planning restrictions and the introduction of a Regulations surrounding combustible materials in high rise buildings has changed the requirements for ventilation systems in new residential homes, especially the ductwork in terms of performance.

Low profile, high performance metal ducting suitable for overheating where increased airflows are required - find out more

ResiDUCT™ A1 Non Combustible
Meets the performance criteria for ductwork that passes through the cavity wall to a termination in the facade of a residential building - find out more

Specialist Products

If You Can Draw It, We Can Make It!

Bespoke Sheet Metal Fabrication - Get your sketches ready!

Our team of skilled fabricators can help discuss your needs and make your sketches a reality. We’ve worked on hundreds of different type of sheet metal fabrication products using galvanised, stainless steel, aluminium and zinc including;

  • Bespoke Extraction Systems
  • Drip Trays
  • Storage Solutions
  • Security Cases
  • Gas Cages
  • Tipper Bodies
  • External Acoustic Enclosures
  • Aesthetic Water Features

If you have a sheet metal fabrication job we'll be happy to discuss it with you!
Call 033 0223 4190 Email sales@pinnacleductwork.co.uk

Residential Box Duct

Pinnacle Projects

Bespoke 300mm x 100mm sheet metal ductwork manufactured for MVHR ventilation systems for 800 residential dwellings that were are risk of overheating in Acton London. Development: The Perfume Factory. Client, HRV Group.

See Pinnacle Projects

Amazon Warehouse

Pinnacle Projects

A brand new warehouse, a stone’s throw from Pinnacle’s fabrication workshop in Havant required metal ducting and components for new HVAC system installed in the new building.

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Experts In Rectangular Box Duct For HVAC Systems

For residential, commercial and industrial HVAC systems, we are specialists in sheet metal duct work design and manufacture and supply high quality DW144 compliant products across the UK.

 Experts In Rectangular Box Duct For HVAC Systems