MasterSeal CR 125: Self-leveling polyurethane sealant for chemical and industrial environments

Formerly: Sonomeric 1

How does MasterSeal CR 125 work?

MasterSeal CR 125 is a ready-to-use self-leveling polyurethane sealant for horizontal joints in chemical and industrial environments.

Recommended uses:

  • Concrete
  • Horizontal
  • Exterior or interior
  • Above grade
  • Airport runways
  • Highways and bridges
  • Industrial floors
  • Driveways and loading docks

What are the unique features of MasterSeal CR 125?

  • Weather resistant, providing long-term performance
  • Jet fuel resistant to help withstand chemical attacks

What are the benefits of MasterSeal CR 125?

  • Exceptional elongation tolerates joint movement
  • No mixing required
  • No priming on most applications, making it easy to apply and speeding up jobsite production

US / Canada Product Information

Data Guide

Data Guide (Spanish)

Data Guide (French)

Certification Letter

LEED Letter

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

Certification Letter

pdf (55.32 Kb)

Data Guide

pdf (101.53 Kb)

Data Guide (French)

pdf (306.76 Kb)

Data Guide (Spanish)

pdf (125.85 Kb)

Joint Sealants Brochure - Spanish

pdf (749.31 Kb)

LEED Letter

pdf (73.37 Kb)

Sealant Performance Selection Guide

pdf (872.11 Kb)