What is Galvanised Ductwork?

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Though hidden, ductwork is essential to your heating, ventilation and extraction systems and ensures a healthy, breathable and clean indoor environment. There are so many types of ductwork available that it can be difficult to know which is right for your requirements – which is where we come in. Established over 20 years ago, we at SEWS Ductwork are widely acknowledged as being specialists in ductwork across Essex and Kent by many mechanical, electrical, and construction companies. As one of the leading ductwork installation companies in the industry, we offer high-quality services from our centrally located warehouse and manufacturing plant. We design, manufacture, and install ductwork, junctions and metal components to an extremely high standard. In this blog, we’re going to take an in-depth look at galvanised ductwork including what it is, the benefits it delivers and common questions about this innovative ductwork type. If you have any queries, please don’t hesitate to get in touch with us today for a FREE, no-obligation quote.

Where is galvanised ductwork used?

Applications of galvanised ductwork are diverse, and these systems are an excellent choice for many industry requirements. Here are some examples of where having galvanised ductwork can be beneficial: Residential & Commercial HVAC Systems: Galvanised ductwork is most commonly found in residential and commercial HVAC systems. With the addition of galvanised ductwork, these systems seamlessly channel air throughout buildings to bring in fresh air, filter our stale air or circulate air conditioning throughout a property.​ Industrial Applications: Galvanised ductwork finds a significant position in industrial applications and assists in removing harmful air from premises. In industrial settings, gases and toxins may be apparent and galvanised ductwork words to create a safe work environment for everyone on the premises.​ Dust Collection: Similarly to industrial applications, galvanised ductwork can be used in woodworking shops, factories and other environments where dust and debris are common. It can be harmful for people to continually breathe in these materials, and galvanised ductwork can be used in dust collection systems.​ Exhaust & Fume Extraction Systems: In certain environments such as kitchens, industrial settings, laboratories and factories, harmful fumes are unavoidable. By incorporating galvanised ductwork into an HVAC system, you can channel smoke, steam and more out of premises for a safe and breathable environment.

How is galvanised ductwork made?

At SEWS Ductwork Services Ltd, our bespoke galvanised ductwork systems can be completely tailormade to your requirements, meaning that every single aspect will be designed to your specifications for maximum efficiency and optimisation. Our specialist plant houses the latest high- performing machinery and equipment to meet your needs, with plasma cutting and coil line facilities to produce orders as and when they are needed. Every member of our team is committed to your satisfaction and aims to complete every job on time and within the agreed budget, in most cases, we’re even able to deliver orders within 48 hours. All we require from our clients is a technical drawing of the item you wish to be constructed, then we take the reins and, from manufacture to installation, we can complete your ductwork project with ease. Furthermore, we can also powder coat any item to your specifications, and all RAL and RHAL colours are available. Please don’t hesitate to get in touch with us today, we can provide you with trusted advice and recommendations.

The Benefits of Galvanised Ductwork

We at SEWS Ductwork Services Ltd have over 25 years of experience in ductwork design, manufacture and installation. This means that we have seen the benefits of galvanised ductwork first-hand. Here are some of the many benefits of galvanised ductwork… Corrosion Resistance The most significant benefit of galvanised ductwork is that it is highly resistant to corrosion. Due to its composition, the zinc coating the ductwork provides a robust protective barrier that prevents oxidisation of the underlying steel. This makes it suitable for many environments with moisture or certain chemical exposure. Highly Durable Galvanised ductwork is known and favoured for its high durability and strength. In addition to protecting against corrosion, the zinc layer provides an additional protective coating which protects against physical damage. So whether for use in residential or industrial applications, galvanised ductwork is always strong and durable. Cost-Effective While the initial cost of galvanised ductwork may be slightly higher than other ductwork materials, its long-term durability and low maintenance requirements make it a cost-effective choice in the long run. This means that you’ll see significant savings on repair and replacement costs over time. Improved Air Quality Galvanised ductwork is responsible for ensuring the quality of the air circulating in a building. Galvanised ductwork ensures that clean, breathable and compliant air is present within the premises. Pollutants, allergens, dirt, dust and more can cause an unhealthy environment and the right ductwork is highly effective in filtering out these toxins. Optimised Function Having a ductwork system that is manufactured to your bespoke requirements ensures that it will function exactly as you need it to. This optimised function means that your premises can enjoy a seamlessly clean, clear and healthy environment, whether in a domestic, commercial or industrial setting. Energy Efficiency Galvanised ductwork ensures that your HVAC systems are operating at peak efficiency. Properly designed, manufactured, installed, sealed and insulated ducts prevent energy wastage. This means that your ductwork unit and HVAC system can significantly lower the cost of your energy bills. Long-Term Protection Galvanised ductwork that has been designed, manufactured and installed by professionals means that you will have a durable and resilient system. When the right ductwork has been installed, you can rest assured that your unit will function to the best of its ability. This means that it won’t break down, or need repairs and any risk will be reduced.

In Conclusion…

Galvanised ductwork provides a unique combination of corrosion resistance, longevity, strength and cost-effectiveness and finds applications in residential, commercial and industrial environments alike. With a protective zinc coating, property owners can rest assured that their ductwork and HVAC systems are protected against corrosion, require little maintenance and will last for years into the future, providing fantastic value for money. Ready to discover how galvanised ductwork can improve your home, property or workplace? If so, then please don’t hesitate to get in touch with SEWS Ductwork Ltd today for a FREE, no-obligation quote tailored uniquely to you.

Galvanised Ductwork FAQs

As specialists in ductwork for Essex and Kent, we at SEWS Ductwork are familiar with many commonly asked questions concerning galvanised ductwork ventilation systems. Fortunately, as specialists in our field, we are perfectly placed to provide you with the answers you need… What do air ducts do? Air ducts are vital elements to any building and perform a variety of functions for them including: Providing proper ventilation to the building. Taking care of unwanted odours and contaminants in the air. Regulating the temperature in the building. Providing a healthy, breathable indoor environment for people. Where should a ventilation system be positioned? We recommend that the ventilation unit itself should be placed in the centre of the area it is to serve. How much does ductwork design, manufacture, and installation cost? Ductwork design, manufacture and installation are influenced by many things, this too means that the cost will differ depending on your requirements. As such, there is no fixed price for ductwork services. Get in touch with SEWS Ductwork Ltd today for a FREE, no-obligation quote. How do I know which ductwork system I need? As a leading ductwork specialist, we at SEWS Ductwork Services Ltd can provide advice and recommendations that you can trust on which system will be best for your requirements. Is galvanised ductwork suitable for outdoor installations? Yes, galvanised ductwork is highly suitable for outdoor installations due to its corrosion-resistant properties. How long does galvanised ductwork last? The lifespan of galvanised ductwork can vary depending on environmental factors, but it can last for over 30 years with proper maintenance. Can galvanised ductwork be painted? Yes, galvanised ductwork can be painted if desired. However, it's essential to use a paint specifically designed for use on galvanised surfaces. Is galvanised ductwork environmentally friendly? Yes, galvanised ductwork is environmentally friendly as zinc is a recyclable material, and the galvanisation process produces minimal waste. Does galvanised ductwork require maintenance? While galvanised ductwork is low maintenance, periodic inspections are recommended to ensure that the zinc coating remains intact, and any damage is promptly addressed. Can galvanised ductwork be customised to fit specific requirements? Yes, we can customise galvanised ductwork to fit specific dimensions and design specifications, making it a versatile option for various applications. What sizes are available for galvanised ductwork? Galvanised ductwork is available in a range of sizes to accommodate different requirements. How long does it take to install galvanised ductwork? The average ductwork installation project takes about two or three days (about 8 to 10 hours per day). For a more accurate timescale, please don’t hesitate to get in touch with SEWS Ductwork Ltd today for more information.

Quality Ductwork Manufacturing Services

At SEWS Ductwork Services Ltd we can manufacture all your specific requirements i.e. single items like that missing square to round you may need or full construction issued drawings. We specialise in producing bespoke items, built to your exact specifications. We can manufacture almost any item and have done so for many of our customers. We have a long history of providing bespoke galvanised internally lined ventilation parts (i.e., air conditioning plenum boxes supply and return, and if need be filter section) to suit all fan coil sizes or air conditioning systems. We manufacture all types of grille boxes to order, to your exact specifications. Whether you need a standard or internally lined grille box, or even a grille box that requires 6mm hank bush support bars, we can cater to your needs. We also supply internally lined front and rear filter boxes, to suit all kinds of fan coil units regardless of spigot size, designed and manufactured to meet the needs of your drawing. We will also assist in the design if required.

Why Choose Us?



Ready to enhance your home or business with high-quality, cost-efficient galvanised ductwork? If so, then you’ve found the answer with SEWS Ductwork Services Ltd. Please don’t hesitate to get in touch with us today for more information and to receive your FREE no-obligation quote.