Intumescent Slim Fire Sleeve for Plastic Vent Ducts with Limited Space Around | CE Marked

Intumescent Slim Fire Sleeve | QRS

QRS CE Marked Slim Fire Sleeves prevent the spread of fire where plastic ducts penetrate fire compartment walls. They are specifically designed to be slim for applications where there is limited space around the duct, fore example when they are close to the ceiling.

Features & Benefits

  • CE Marked
  • Tested to BSEN 1366-3: 2009
  • Tested with Uncapped/Uncapped (U/U) duct configurations as required for ventilation ducts
  • Up to 2 hour fire rating
  • Very slim-line (saves ceiling space)
  • Suitable for masonry walls or plasterboard partitions
  • Suitable for insulated and non-insulated partitions
  • Can be retrofitted
  • No mechanical fixings required
  • Robust galvanised steel shell
  • Performance unaffected by weathering (Type X Durability)


Building Regulations impose limitations on all pipes passing through fire compartment walls and floors. QRS Vent Duct Slim Sleeves allow plastic ducts to meet the requirements of the Building Regulations. QRS Vent Duct Slim 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 Slim Fire Sleeve


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The QRS Vent Duct Slim 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.


Tested to Type X durability which means the QRS Vent Duct Slim Sleeves can be installed in conditions exposed to weathering. QRS Vent Duct Slim 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 Vent Duct Slim Sleeves 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 Vent Duct Slim Sleeves, and any gaps should be sealed with the QSS QuelStop CE Marked Intumescent Acoustic Acrylic Sealant.

Contact us for Technical Advice


Product Code Duct Size (mm) Space needed around duct to fit QRS Slim Sleeve (mm) Recommended aperture (mm) QRS length (mm) Fire Rating
QRS110/54SS 110 x 54 8 126 x 70 140 120 minutes
QRS204/60SS 204 x 60 8 219 x 75 140 90 minutes
QRS220/90SS 220 x 90 12 244 x 114 140 60 minutes

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