Dresser Style 90 & NORMAC Compression Coupling Encapsulation
Catalog Sheet(PDF)
Specification Sheet (PDF)
Presentation (PDF)
Encapsulation Parts List (PDF)

Permanently seal leaks on 3/4" to 2" metallic compression type couplings.

Dresser Style 90
  • Thousands have already been installed, saving millions of dollars.
  • Simple, safe, permanent and very economical.
  • Installed in traditional excavations or keyhole excavations using long-handled tools.
  • Avoids costly welded pumpkins.
Sealant passes British Gas LC8 specification and the Cornell University/Wyle Labs tests for the New York Gas Group and backed by PLCS exclusive 10-year warranty.

Simple Installation
Dresser Style 90
  • Tighten compression nuts to stop the leak.
  • Grit blast and prime repair area.
Dresser Style 90
  • Fit mold onto the coupling.
  • Mix sealant, pour into the mold and fit cap.
  • Can be backfilled immediately.
Dresser Style 90
  • Cured repair cross section shown for illustration.
A Metal Mold System is also available. Used in traditional excavations where the leak cannot be stopped and will work against a maximum of 60 psi. in the main.

Overview Presentation


Instructional Video