MasterSeal CR 195: One-component, aliphatic, non-sag, elastomeric, polyurethane security sealant

Formerly: Sonolastic Ultra

How does MasterSeal CR 195 work?

MasterSeal CR 195 is a one-component, moisture-curing, aliphatic, non-sag, polyurethane sealant for security and institutional uses requiring elasticity, abrasion and puncture resistance, with superior color integrity.

Recommended uses:

  • Horizontal and vertical
  • Interior and exterior
  • Immersed in water
  • Store fronts
  • Expansion joints
  • Curtain walls
  • Panel walls
  • Precast units
  • Aluminum, vinyl, and wood window frames
  • Prisons
  • Schools
  • Stadiums
  • Parking decks
  • Plazas
  • Wastewater treatment plants
  • Dams
  • Spillways and storm drains
  • Wetwells and manholes

What are the unique features of MasterSeal CR 195?

  • Aliphatic polyurethane technology with non-staining, non-yellowing, nonchalking characteristics
  • Pick-resistant, making it excellent for security applications, schools and other public buildings
  • High UV resistance prevents discoloration from sunlight

What are the benefits of MasterSeal CR 195?

  • Absence of tackiness creates a dirt free, self-cleaning surface
  • Medium modulus provides superior puncture and abrasion resistance
  • Superior gunability and workability for increased ease in tooling
  • Movement capability ±25% expansion and contraction with joint movement
  • Suitable for water immersion with documented performance in wet areas

On the job video: 

How to Apply MasterSeal CR 195

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

Guide Specifications

Certification Letter

LEED Letter

Safety Data Sheets (SDS):

MasterSeal CR 195 - Aluminum Gray

MasterSeal CR 195 - Limestone

MasterSeal CR 195 - White

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 (55.41 Kb)

Data Guide

pdf (130.71 Kb)

Data Guide (French)

pdf (198.46 Kb)

Data Guide (Spanish)

pdf (131.08 Kb)

Guide Spec

doc (173.00 Kb)

Joint Sealants Brochure - Spanish

pdf (749.31 Kb)

Leed Letter

pdf (92.91 Kb)

Sealant Performance Selection Guide

pdf (872.11 Kb)

zip (56.58 Kb)