Your total inside and outside solution.

With innovative sealing systems from Polywater | Hauff Technik, you now have the ability to provide absolute protection in and around your cables, conduits, pipes and building entries.

Solutions for Wastewater Treatment Plants

Wastewater treatment plants process and handle some of the most corrosive solids and liquids. The materials needed to construct a WWTP must be able to withstand the wide range of corrosive conditions. Polywater | Hauff Technik offers durable solutions for building entrances and sealing around cables and pipes.

Wastewater Treatment Plants

Sealants designed to meet your needs.

Outside the Pipe

We offer multiple solutions to more effectively seal around pipes, conduits and cables that reduce installation time and workmanship errors.

Inside the Pipe

Whether you need to meet NEC codes for sealing conduit/raceways, increase electrical reliability, storm hardening of your system, or manage how cables and pipes enter structures, we have the solution for you.

Structural Entrances

Bringing utility services into buildings is made easy with our wide ranging products.  Our engineered solutions solve your immediate and future construction needs.

modular seal with bolt indicator - yellow shows that the seal is secure

Safety that you can see.

Avoid repeated retightening with the world’s first modular seal that includes Integrated Installation Control—a feature that visually indicates when the seal is secure, so you can confidently complete the job.


“When you see yellow, you know it’s tight.  This simple and effective feature of the PGKD makes it stand apart from other modular seals.  It gives the crew–and everyone else–the peace of mind that other seals can’t offer.”

– Product Evaluator