Silverseal HS Compound is a Gypsum based mortar material used to reinstate the fire resistance performance of floor constructions where they have been provided with apertures for the penetrations of multiple services. Silverseal HS Compound is supplied as a dry material, and is mixed with water to the required ratio prior to installation.
Silverseal HS Compound when mixed is self-supporting in a floor to spans of 1800mm. Temporary non combustible shuttering is required to support the wet weight of the Silverseal HS Compound. The seal is high strength, non-combustible and is load bearing. Silverseal HS Compound has a fire resistance to EN1366-3 up to EI120, including BS476 Pt 20 and BS6399-1 Loading for Buildings Code of Practice for dead and applied loads.