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PMM420 | M4 Fire Rated Mortar 20kg bag

Image of PMM420 | M4 Fire Rated Mortar 20kg bag


A water-based, lightweight, high insulation expanding mortar which provides a fire barrier for up to four hours for openings with building service penetrations. It contains no toxic or smoke producing materials and is water resistant after curing.


Especially designed to reinstate concrete floor and masonry wall openings around building services such as electrical cables, metal or copper pipes, cable trays, and plastic pipes when used with Pyropanel Pyroraps.


  • Fully certified to Australian Standards AS1530.4 and AS4072.1 for up to 4 hours of fire rating at 100mm thick, or 2 hours rating when 75mm thick.
  • 20kg bags
  • Suitable for floors and walls
  • Especially suitable for use with Pyropanel Pyroraps
  • Water resistant after drying
  • Water resistant 7 days after applications (not suitable for continuous wetting, submersion or external use)
  • Maximum size in floor or wall = 0.6m2 with max dimension 1200mm in any direction (up to 90 mins FRL), or 500mm x any length @ 75mm thickness -/120/120.
  • Maximum size in floor or wall = 0.4m2 with max dimension 800mm in any direction (up to 4hrs FRL)
  • Australian made
  • 12 months shelf life


    Please click here to download the Tech Sheet for this product