Nitoseal MB333 is a hot poured, high extension polymer modified bitumen sealant complying with the requirements of BS 2499: 1993 Type N1.

Nitoseal MB333 has a movement accommodation factor of 25% in butt joints. For optimum performance, consideration should be given to the possibility that the movement accommodation will not be evenly distributed between joints provided.


  • Rapid return to service
  • Resists dirt and ingress of grit associated with trafficked pavements
  • Good adhesion to concrete and asphalt surfaces