Intumescent Fire Sleeve for Plastic Vent Ducts | CE Marked

Intumescent Fire Sleeve | QRS

QRS CE Marked Intumescent Vent Duct Fire Sleeves prevent the spread of fire where plastic ducts penetrate fire compartment walls.

Features & Benefits

  • CE Marked*
  • Tested to BSEN 1366-3: 2009
  • Classified according to EN 13501-2: 2007 + A1: 2009
  • Tested with Uncapped/Uncapped (U/U) duct configurations as required for ventilation ducts
  • Up to 2 hour fire rating
  • Suitable for masonry walls or plasterboard partitions
  • Suitable for insulated and non-insulated partitions
  • Suitable for use in QuelStop Fire Batt
  • Can be retrofitted
  • No mechanical fixings required
  • Robust galvanised steel shell
  • Performance unaffected by weathering (Type X Durability)

*QRS90, QRS130 and QRS110 are not currently CE Marked


Building Regulations impose limitations on all pipes and ducts passing through fire compartment walls and floors. QRS CE Marked Intumescent Fire Sleeves allow plastic ducts to meet the requirements of the Building Regulations. QRS Fire Sleeves have been tested according to BSEN 1366-3: 2009 where various plastic duct sizes have met insulation and integrity criteria for this standard for up to 2 hours.

Name: Intumescent Fire Sleeve


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QRS CE Marked Intumescent Fire Sleeves consist of a flexible galvanised steel shell containing graphite based intumescent material.

They are manufactured to suit flat ducts of 110x54mm, 205x60mm, and 220x90mm. And round ducts with 75mm, 100mm and 125mm overall diameter.


Tested to Type X durability which means the QRS CE Marked Intumescent Fire Sleeves can be installed in conditions exposed to weathering. QRS Fire Sleeves are expected to last the lifetime of the building.

Technical Support & Guidance

Should you require any further information regarding this product, please don’t hesitate to contact one of our specialists.

Application / Installation

The QRS CE Marked Intumescent Fire Sleeve should be placed around the ventilation duct, positioned centrally within the partition and should be flush or protrude from each face of the wall. The plasterboard should be cut to a tight fit around the QRS Fire Sleeve, and any gaps should be sealed with the QSS QuelStop CE Marked Intumescent Acoustic Acrylic Sealant.

The QRS Fire Sleeve can also be installed within the QB50 QuelStop Fire Batt.

Contact us for Technical Advice


Product Code Duct size (mm) Space needed around duct to fit QRS (mm) Recommended aperture (mm) QRS length Fire Rating
QRS110/54 110 x 54 13 135 x 78 180 120 minutes
QRS205/60 204 x 60 13 230 x 85 180 120 minutes
QRS220/90 220 x 90 22 262 x 132 140 120 minutes
QRS75 75 Ø semi-rigid 8 90 Ø 140 120 minutes
QRS90* 90 Ø semi-rigid 13 116 Ø 140 120 minutes
QRS110* 100 Ø 18 135 Ø 180 120 minutes
QRS130* 125 Ø 23 170 Ø 180 90 minutes

*QRS90, QRS130 and QRS110 are not currently CE Marked

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