Quelfire QIF Insulated Fire Sleeves

September 28, 2026

Quelfire QIF Insulated Sleeves are designed for firestopping and combustible plastic and non--combustible metal pipe penetrations through walls and floors.


Blazeout supplies QIF Fire Sleeves alongside the wider Quelfire passive fire protection range.


What is a Quelfire QIF Fire Sleeve?

The QIF combines mineral fibre insulation with intumescent material to provide a firestopping solution around specified pipe penetrations.


It can be used in a range of wall and floor constructions, including appropriate concrete walls and floors and fire-rated plasterboard partitions.


QIF can also be used alongside the QuelStop Fire Batt system in tested configurations.


Quelfire QIF Pipe Sizes

Quelfire offers QIF sleeves for pipes from approvimately 15mm to 169mm diameter.


The sleves are supplied in 300mm lengths and can be cut to the required length in accordance with Quelfire's installation requirements.


The QIFalso provides thermal insulation around the pipe as it passes through the compartment line.


Quelfire QIF Fire Rating

Quelfire QIF has been tested to BS EN 1366-3, with specified configurations providing up to four hours fire resistance.


The achieved fire rating depends upon the pipe type, diameter, substrate and complete installation detail.


Always consult the curren Quelfire technical information for the application being installed.




Blazeout supplies Quelfire QIF Insulated Fire Sleeves and associated QuelStop products for passive fire protection projects.

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