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Fume Cupboard Ductwork

From airflow calculations and duct sizing to manufacturing and installation, Clean Air Limited delivers complete laboratory ductwork systems built for performance, reliability and long-term compliance.

Design

Every fume extraction system is carefully designed to ensure the correct airflow, duct sizing and routing for your laboratory environment. By optimising system performance from the outset, we help improve containment and support long-term reliability.

Manufacture

Our in-house manufacturing capability allows us to produce high-quality PVC and PP-S ductwork systems with smooth internal bores that improve airflow efficiency and minimise pressure loss throughout the extraction system.

Installation

By designing the ductwork alongside your fume cupboard and extract fan, we deliver a fully integrated ventilation system that supports safe containment performance, efficient airflow and compliant laboratory operation.

A key component for a ducted fume cupboard is a well-designed fume extraction system, including ductwork, extract fans and controls. This should be designed as one integrated solution to safely remove hazardous fumes and gases. The appropriate standard for guidance on the correct and good design of Fume extraction systems is BESA DW/154.

At Clean Air, we don’t supply ductwork in isolation. We design and deliver complete fume cupboard extract systems, giving you a single, reliable partner for performance, compliance and safety.

Whether you are upgrading an existing system or installing a new lab, our team ensures your laboratory extraction system is engineered to meet your exact application requirements.

Explore our fume cupboards to see how we deliver complete system solutions.

A key component for a ducted fume cupboard is a well-designed fume extraction system, including ductwork, extract fans and controls. This should be designed as one integrated solution to safely remove hazardous fumes and gases. The appropriate standard for guidance on the correct and good design of Fume extraction systems is BESA DW/154.

At Clean Air, we don’t supply ductwork in isolation. We design and deliver complete fume cupboard extract systems, giving you a single, reliable partner for performance, compliance and safety.

Whether you are upgrading an existing system or installing a new lab, our team ensures your laboratory extraction system is engineered to meet your exact application requirements.

Explore our fume cupboards to see how we deliver complete system solutions.

For external or heavy-duty fume cupboard exhaust systems, ductwork can be reinforced with a Glass Fibre Reinforced Plastic (GRP) laminate.

This provides:

  • Increased structural strength
  • UV protection for outdoor installations
  • A durable, shatter-resistant finish

We can colour-match GRP finishes to most RAL colours, allowing systems to blend with building exteriors, including listed or architecturally sensitive sites. White finishes are often specified for installations in hotter climates to reduce heat absorption.

Choosing Clean Air means choosing a partner who understands that ductwork, fans and fume cupboards must work together. We deliver complete fume cupboard extraction systems that are; designed for performance, built for durability and engineered for safety.

Clean Air designs and manufactures wet scrubbers engineered specifically for laboratory fume cupboards. Our compact rear-mounted systems neutralise corrosive fumes, simplify installation and deliver independently validated performance for safe laboratory operation.

We offer full service and maintenance for fume cupboards. Our DBS-checked engineers test to BS EN 14175 standards, ensuring your system is safe and operational.

Here are some of the most common questions we get when exploring a lab’s plan for its extraction system for its fume cupboards.

What is a fume cupboard extraction system in a laboratory?

A fume cupboard extraction system is a lab ventilation system designed to safely remove hazardous fumes, vapours and gases. It includes ductwork, extract fans and control systems that work together to protect users and maintain safe air quality in laboratories.

What is the difference between a ducted and ductless fume cupboard system?

A ducted fume cupboard extraction system removes contaminated air through ductwork to a safe discharge point outside the building. A ductless system uses filters to clean and recirculate air. Ducted systems are typically preferred for handling hazardous or corrosive chemicals due to higher safety and reliability.

Why is ductwork design important for fume cupboard performance?

Correct ductwork design is critical to achieving safe airflow and containment. Poorly designed ductwork can cause pressure losses, reduced extraction efficiency and potential exposure to harmful fumes. A properly engineered system ensures consistent airflow and compliance with safety standards.

Why choose a complete fume cupboard extraction system instead of separate components?

A complete system ensures that ductwork, fans and fume cupboards are designed to work together. This improves performance, reduces installation risks and provides a single point of responsibility for compliance and safety.

What materials are best for laboratory extraction ductwork?

PVC and PP-S are commonly used for laboratory ductwork due to their chemical resistance and smooth internal surfaces, which improve airflow efficiency. For external installations, ductwork can be reinforced with GRP to provide additional strength and weather protection.

What is GRP ductwork used for in laboratory extraction systems?

GRP reinforced ductwork is used in external or heavy-duty applications where additional durability is required. It provides UV resistance, structural strength and a long-lasting finish, making it suitable for rooftop or exposed installations.

What are wet scrubbers in fume cupboard systems?

Wet scrubbers are used to treat and neutralise harmful or corrosive fumes before they are discharged. They are often integrated into fume cupboard extraction systems where chemical processes produce hazardous gases.

What are the benefits of using a specialist supplier for laboratory extraction systems in the UK?

A specialist supplier provides expertise in design, compliance and installation. This ensures your fume cupboard extraction system meets UK standards, performs reliably and is tailored to your specific laboratory requirements.

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