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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.

Allproof specification masterspec

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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:

  1. Core drill hole to specified diameter to suit pipe size.
  2. Install drop in fire collar fixing with two metal pin anchors. (Floor waste installs require the tabs to be recessed into the slab).
  3. Ensure collar on underside of slab is exposed no greater than 80mm and recessed in slab no more than 5mm.
  4. Insert pipework through collar.
  5. Seal gaps between concrete/collar and collar/pipe with 15mm depth of Allproof MAS310 or Bostik Fireban One intumescent sealant.
  6. 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

PRODUCT ENQUIRY

We love to help with technical questions and provide further product information, however please note that we don’t provide costs direct to the market. For quotes and prices please direct your enquiry through your preferred installer and/or merchant. Please see our FAQ’s for further information on this.

    PRODUCT ENQUIRY

    We love to help with technical questions and provide further product information, however please note that we don’t provide costs direct to the market. For quotes and prices please direct your enquiry through your preferred installer and/or merchant. Please see our FAQ’s for further information on this.