Masterseal P 173 is a quick drying solvent-based primer for priming joints and substrates before application of MasterSeal NP1, TX1, NP2, CR195, SL1, SL2, and NP150 series sealants. 

Product Features

  • Solvent-based allows for quick drying

  • Promotes improved adhesion to many substrates requiring a primer

  • Compatible with all master Builders Solutions polyurethane sealants, providing versatility and convenience 


  • Interior or exterior

  • Above grade

  • As primers for master Builders Solutions joint sealants


  • Concrete

  • Masonry

  • Metal

  • Fluorocarbon coatings, on aluminum