Lindab Thor Duct ® Fire Ductwork

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Lindab Thor Duct ® Fire Ductwork helps maintain pressurisation systems and ensures compartmentation. The integrity of the duct and its ability to function must be maintained in the event of a fire.

Passive ducts, specified as fire ducts, are tested to EN 1366-1. Lindab Thor Duct ® Fire Ductwork meets all of these requirements and is the most suitable choice. Lindab Thor Duct ® Fire Ductwork has been tested with insulation, and is classified to standard EN 13501-3.

Lindab Thor Duct ® Fire Ductwork is a non-coated system, suitable for installation in multi-compartment, single compartment, stud wall, solid wall, and aerated concrete floors. A comprehensive set of support bracketry is provided. Penetration seals guidance is provided with detailed drawings.

Compliance with EN Code

Lindab Thor Duct ® Fire Ductwork is comprehensively tested to satisfy all code requirements.

  • EN 1366-1 Classification
  • EN 13501-3 Testing

Fully Tested

Lindab Thor Duct ® Fire Ductwork tested with:

  • Pressure -500 PA
  • Horizontal and vertical orientations
  • Fire types A and B
  • Leakage class S (below 10m³/m²/hr)

Installation

All fixing and support components fully tested to EN standards.
More information on installation standards below.

  • Stud partition
  • Block wall
  • Concrete floors
  • Penetration seal details provided

Product Sizes

  • Square standard maximum size of 1250 X 1000
  • Round up to 1000 Ø
  • XL up to 2500 X 1250

Become a Lindab Thor Duct ®
Licensed Manufacturer

Become a Lindab Thor Duct ® Licensed Manufacturer and add EN tested and certified ductwork.

Become a Licensee

Looking to Specify?

All Lindab Thor Duct ® products are fully tested and compliant across all international codes. 

Additional Information

  • Lindab Thor Duct ® is manufactured from Galvanised Steel, and uses flanges and stiffeners, without paints or coatings.
  • Lindab Thor Duct ® is insulated using a calcium magnesium silicate blanket.

Both the product and the insulation have been tested as a system in accordance with test standards which includes access doors, silencers and bracketry.

All tests were conducted in EOTA approved laboratories, and each licenced manufacturing location has a factory production control (FPC) in placed to ensure exacting standards of manufacture.

You can be 100% sure that your installation has been properly managed and is fit for purpose when called upon in the event of a fire.

  • Penetration seal detail is provided for floors and walls. Lindab Thor Duct ® is suitable for installation in flexible walls (Plasterboard) and aerated concrete floors, having been tested in both.
  • Our installers in Ireland and the UK comply with local guidance and are all members of third party certification schemes.
  • In mainland Europe, installers comply with certification schemes where available.

Fully Certified & Accredited

Lindab Thor Duct ® has been tested to the latest EN standards and as required by law, provides CE marking on products where a harmonised standard exists.

accreditation CE
accreditation_nsai2
accreditation NSAI
accreditation Certifire
accreditation Association for Specialist Fire Protection
[email protected]

Ireland – Lindab (Irl) Ltd.

U2B, Nangor Road Business Park, Nangor Road, Dublin, D12 W97P

UK – Lindab UK

Units 9 & 10, Carousel Way, Riverside Business Park, Northampton, NN3 9HG

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Thor Duct ® was formerly known as Safe 4 ® Fire Duct in the UK and Ireland.

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