The Pyrocrete Mortar 239 is a medium-density, cement-based product developed specifically for passive fire protection of structural steel, roofs, wood and concrete structures. .
The mortar is tested at Underwriters Laboratories Inc. in the United States, according to different test procedures under UL and ASTM standards (sound insulation). It is suitable for both interior and exterior use.
This mortar provides a fire resistance of up to 240 minutes and a sound absorption coefficient (NRC) of up to 0.75.