​MasterRoc MP 350

One component water sealing injection resin for cracks and fissures in concrete and rock

How does MasterRoc MP 350 work?

MasterRoc MP 350 is a single component hydrophilic polyurethane based injection resin which forms a permanent, impermeable and flexible sealing material on contact with water.

Recommended for:

• Permanent crack sealing of underground structures
• Sealing of minor water ingress
• Upgrading of temporary water sealing to permanent solution
• For use with MasterSeal 909 injection hoses

What are the unique features of MasterRoc MP 350?

MasterRoc MP 350 can be injected as a simple resin, but also has a faster reaction option for flowing water by adding a small quantity of the MasterRoc MP 350 Accelerator.

What are the benefits of MasterRoc MP 350?

• Permanent sealing effect
• Forms a closed cellular material giving an impermeable, high resilience seal against water ingress
• Reacts in moist and wet surroundings
• Good bonding to wet surfaces
• Foams upon contact with water
• Penetration of fissures smaller than 0.05 mm