MasterSeal AWB 975 FIB: Corner reinforcement

MasterSeal AWB 975 FIB description

MasterSeal AWB 975 FIB is a premanufactured corner reinforcement designed for use with BASF Corporation Construction Systems fluid-applied air and water-resistive barrier systems.​

Recommended uses

MasterSeal AWB 975 FIB can be used to reinforce the corners of rough openings as part of a flexible flashing system. Rough openings treated with MasterSeal AWB 975 FIB and approved BASF products can be integrated into a seamless air/water-resistive barrier and flexible flashing system.
If you have any questions regarding MasterSeal AWB 975 FIB, please contact our Technical Services Department at 800-243-6739.

MasterSeal AWB 975 FIB features and benefits

  • One-piece coverage of window corner yields consistent moisture protection
  • Conforms to out-of-square openings for fast, easy, reliable application
  • Package dispenses like facial tissue for convenience and speed of application
  • ICC-ES AC 148 compliant meets building code requirements
  • Designed for commercial window sizes to provide air barrier continuity

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Product Certifications

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

Related Literature

MasterSeal AWB 975 FIB premanufactured corner reinforcement for air barrier systems

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