High Strength Fire Resistant Mortar is a one-part synthetic mortar used to seal openings in walls and floors to prevent the passage of fire and smoke. It is mixed with water to produce a trowelable or pourable mortar compound. The seal created is high strength and non combustible, with a fire resistance to EN 1366-3 2009 at 100mm thickness and it can be made load bearing.
Astro PFP FR EX Mortar is a dry white powder consisting of inorganic compounds and perlite. When mixed with water, the compounds form a highly thermally insulating fire sealing compound to prevent the spread of fire and smoke through openings in fire rated walls and floors, including openings formed around building service penetrations.