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Blackhawk 5401 Pipe Joint Mastic

Precast Concrete Joint Sealant

Blackhawk Pipe Joint Mastic is a tough, permanent bituminous sealer of heavy trowel consistency that is impervious to water, sewage, and roots. This material seals precast concrete storm and sanitary joints and will not crack or deteriorate under normal service conditions. This asphalt based material has a proven track record over decades.

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