Are Part O airflow rates pushing your
MVHR design to its limit?

#ResiDUCT

ResiDUCT™

As ventilation design requirements increase due to overheating, so do airflow rates, and with that comes the demand for larger ducting, without the space to accomodate it easily. 

Meeting new performance standards shouldn’t be a compromise between application and achieveing installed performance.  

That’s where ResiDUCT™ delivers.

ResiDUCT™ is a slimline, high performance metal ducting system

Designed to work with high airflow rates for MVHR and to fit in a standard ceiling void without the need for changing ducting type, introducing manifolds and access hatches.

Available in 4 sizes:
300x100mm, 300x125mm, 400x100mm and 400x125mm (equivalent up to 230mm∅)
ResiDUCT™ can work in connection with PVC ducting as a hybrid system design e.g. 220x90mm


Minimises Air Leakage

ResiDUCT™ has been designed to address air leakage, with innovative design features that simplify connections, add strength and prevent bowing as parts are connected together.

ResiDUCT Brochure

Overheating = Increased Airflow Rates = Larger Duct Sizes

A MVHR unit may be powerful enough to deliver higher airflow rates demanded under Part O, 
but installed performance will also be dependent on the ducting that it connected to it.  

The typical ceiling void in a residential dwelling is approx 150mm

Part O:Overheating may demand increased ventilation airflow rates which will require 180-200mm ducting,
which is not always feasible due to spacial restrictions within each dwelling. 


ResiDUCT™ is a slimline ducting solution designed to deliver higher airflows,
typical with overheating with ease within the same ceiling void space.

ResiDUCT can help make Part O compliance simple

Where increased ventilation rates are required to meet overheating planning conditions, a cost effective ducting design is being adopted for MVHR systems - hybrid ducting.  This is different sized ducting, including PVC and metal being designed together to achieve the required airflow rates without compromising space or cost to the project.

Approved Document O

Approved Document O (Overheating) compliance is now essential for new residential builds in the UK.

ResiDUCT™ is an innovative slimline ducting solution designed to meet the increasing demand for superior ventilation performance in residential homes. 

The Full ResiDUCT™ Range

ResiDUCT™ 300x100mm

Product

ResiDUCT™ Range

Dimensions (mm)

300 x 100mm

Duct Size

180mm Ǿ

 More info

ResiDUCT™ 300x125mm

Product

ResiDUCT™ Range

Dimensions (mm)

300 x 125mm

Duct Size

210mm Ǿ

 More info

ResiDUCT™ 400x125mm

Product

ResiDUCT™ Range

Dimensions (mm)

400 x 125mm

Duct Size

240mm Ǿ

 More info

ResiDUCT™ 400x100mm

Product

ResiDUCT™ Range

Dimensions (mm)

400x100mm

Duct Size

200mm Ǿ

 More info
Request a Quote or Speak to the Team

The ResiDUCT™ 90° horizontal bend

The ResiDUCT™ 90° horizontal bend is part of the ResiDUCT™ system range:

• Manufactured from 0.6mm galvanised steel
• DW144 Specification
• Socket seal jointing (female connection)
• Integral turning vane
• Integral ResiDUCT™ stiffeners for additional strength and reduction in air leakage as parts are joined together
• Available in 300x100, 300x125, 400x100, 400x125 (mm)
• Bespoke sizes available on request

ResiDUCT™ provides the perfect partnership for MVHR units needed to mitigate overheating in residential dwellings

Superior Performance

Superior Performance

52%

Reduction in air leakage with ResiDUCT™ when compared with other typical ductwork used in MVHR installations. (independently tested)

Energy Efficiency

Energy Efficiency

34%

Reduction in MVHR fan speed to meet Regulations and designed rates when installed with ReisDUCT™.

Project Savings

Project Savings

40%

Reduction in costs when comparing ResiDUCT™ to other metal ducting systems needed to achieve higher airflow rates for overheating regulations.

Ducting that Powers Performance.

Designed to reduce air leakage, noise and energy usage

Ducts that Perform

Air leakage is the hidden enemy of an efficient ventilation system. ResiDUCT™ addresses air leakage with two innovative design features.

1. Integral Stiffeners

ResiDUCT™ stiffeners are manufactured into all female parts and connectors. The stiffeners help maximise airflow capacity by adding strength as the parts are pushed together - supporting common weak points found in other types of jointing.

2. Socket Seal Joints

ResiDUCT™ male and female parts are designed to fit seamlessly together with socket seal joints. The jointing system prevent bowings and leakage gaps as the parts are pushed together.

ResiDUCT™ - New Build Projects

ResiDUCT™ has been specified and installed across a number of residential projects with overheating planning conditions, in conjunction with MVHR and MVHR with integrated cooling.

Since November 2023, we have been supplying large scale residential new build projects with ResiDUCT™, offering high performance ducting for MVHR systems.

BSRIA ResiDUCT™ Airflow Resistance Test Certificates

Technical Specification

ResiDUCT™ is a high performance metal duct range suitable for use with residential ventilation systems including MVHR:

  • Manufactured to DW144 
  • Performance Independently Tested by BSRIA 
  • Air Leakage Independently Tested BSRIA calibrated certificate STD_152473
  • Registered Designs
  • Standard range and bespoke sizes available on request

Downloads

 ResiDUCT™ Brochure

 ResiDUCT™ Datasheets

 ResiDUCT™ Install Guide

 REVIT Files 300x100mm

 REVIT Files 300x125mm

 REVIT Files 400x100mm

 REVIT Files 400x125mm

 Consultant Specification

 ResiDUCT Best Practice Installation Guide

FAQs

What duct sizes is ResiDUCT™ available in?

The ResiDUCT™ system is available in the following sizes: 300 x 100mm 300 x 125mm 400 x 100mm 400 x 125mm Bespoke sizes can be fabricated on request. Please call us to discuss your project requirements, or email sales@pinnacleductwork.co.uk.

How does ResiDUCT™ reduce air leakage?

ResiDUCT™ features welded stiffeners for stronger, more airtight connections and maximised airflow. They reinforce weak points found in other joint types. Independently tested — 52% less air leakage than other ducting systems.

What are socket seal joints used in in the ResiDUCT™ system?

Socket Seal joints allow male and female parts to connect together seamlessly without bowing and leakage gaps as parts are pushed together. Socket seal joints air installation time and easily connect with other types of ducting including PVC.

Why is ResiDUCT™ ideal for overheating?

Overheating increases the need for higher home ventilation rates, achievable with MVHR units. ResiDUCT™’s low-profile design fits the same space as standard PVC ducting. It delivers higher airflows — equivalent to 180–225 mm circular ducting.
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