Ryanfire Mastic

Ryanfire Mastic is an internal use water-borne acrylic sealant with fire and smoke resistant properties. Ryanfire Mastic is used for sealing apertures around service penetrations.
Ryanfire Mastic cures to form a firm and flexible seal preventing the spread of flame and smoke through joints and openings in Ryanfire 502/802 board and in fire rated walls & floors.
Ryanfire Mastic is available in a gun grade or a brush grade

Ryanfire Mastic Brochure/Datasheet
Ryanfire Mastic

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