For decades, Garlock has engineered durable sealing solutions for the industries where failure isn't an option. LINK-SEAL is the original modular sealing system, and it remains the standard for sealing cylindrical penetrations through walls, floors, and ceilings.
Wherever a pipe, conduit, or cable passes through a structure, LINK-SEAL creates a permanent hydrostatic seal. The system is built to resist aging, delivering long-term protection against water infiltration, soil, and backfill intrusion for the life of the installation.
The system works by compressing a series of interlocking rubber links around the pipe, generating uniform, continuous pressure against both the pipe and the wall opening. Because the seal forms mechanically rather than chemically, installation is essentially error-proof — and it goes in roughly 75% faster than hand-fitting flashings, mastics, or casing boots. No caulk. No grout. No waiting on cure time. Tighten the bolts and the penetration is sealed and ready for service immediately.

