Drop In Fire Collar

Allproof Drop in fire collars provide a simple and effective passive fire rating option for thin concrete floors or trapezoidal steel tray concrete floors. These floors feature profile changes on the underside of the slab and make it difficult to fire rate with a conventional fire collar fixed to the underside of a floor slab.

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Extendable 210 - Drop In Fire Collar

Extendable 300 - Drop In Fire Collar

Suitable For Fitting With:

Thin concrete floors (minimum 70mm)
Trapezoidal steel tray concrete floors (composite floors)

Features:

Installed and fixed from top side of slab
Can be retrofit around pipe
Made from Galvanised steel

Installation Instructions:

Core drill hole to specified diameter to suit pipe size.
Install drop in fire collar fixing with two metal pin anchors. (Floor waste installs require the tabs to be recessed into the slab).
Ensure collar on underside of slab is exposed no greater than 80mm and recessed in slab no more than 5mm.
Insert pipework through collar.
Seal gaps between concrete/collar and collar/pipe with 15mm depth of Allproof MAS310 or Bostik Fireban One intumescent sealant.
Allproof recommends any thermal or acoustic lagging maintains a 50mm separation to the fire collar.

For test results please see our Fire Brochure literature.

Fire-Penetration-Schedule.xlsx

Composite Flooring

Flat Slab

Revit Files