Ultraseal® P-201A

Hydro-Reactive Mastic

Ultraseal® P-201A is a high-performance hydro-reactive mastic for sealing and waterproofing passing bodies and cracks.

Basic Uses
  • Ultraseal P-201A is a waterstop used in new construction and repair applications. It can be applied to damp and uneven surfaces and functions in a wide range of temperatures and ground water conditions.
  • Ultraseal P-201A is approved for use in the TREMproof Amphibia waterproofing system.

Product Details, Safety, and Installation