The Leader in Watertight & Airtight Closures since 1939
Flood barriers, watertight and airtight doors, and watertight hatches for anywhere containment is required. Whether they are manually or power operated, or automatically deployed without your intervention, you can be assured of the best engineered product available.
Watertight & Flood Protection
Watertight doors, hatches and flood barriers of any size, for any location and for any design pressure.
Walz & Krenzer has been supplying the Nuclear Industry with custom specialty doors, hatches and gates since the 1960s.
Blast, Power & Special Designs
All of our products can be designed to withstand extreme pressure differentials, blast, ballistic, tornado, and other special design criteria.
Why Walz & Krenzer?
Engineering + Experience = A Winning Tradition Since 1939
Simply put – WK has the most design expertise in the industry. All of our products are custom designed in house and approved by our own licensed Professional Engineers. From the simplest flood barrier to the most complex high pressure closure, our engineers design your product based on your requirements. At WK, nothing is standard. Whether your project requires complex FEA analysis, blast calculations, or 3-D modeling, you can count on a fully engineered and tested product that exceeds your specifications and any regulatory requirements.
No other company in the US has supplied more watertight and airtight custom closures than we have. And the range of our products is truly impressive. You’ll find watertight doors submerged in 1148′ of water at a dam in Australia, removable modular flood barriers at the new Whitney Art Museum, large hydraulically actuated watertight doors in tunnels throughout the country, airtight APR doors at the NIH facility, automatically deploying flood barriers at NASA, and hinged flood gates protecting nuclear plants.
There’s a simple explanation as to why we’ve been successful since 1939. The best engineering staff utilizing the most up to date technologies and manufacturing process available. Fully engineered products rigorously tested. Customer service beyond compare.
Walz & Krenzer supplied eight 25 ton gates to protect NY City Queens Midtown and Hugh L. Carey Tunnels from flooding
Walz & Krenzer supplied watertight doors that now protect 4 tunnels on Manhattan. Each gate was approximately 30’ wide x 15’ tall and weighs approximately 50,000 lbs. The work was part of the “Sandy” Recovery Project for the MTA Bridges and Tunnels team. Walz...
Walz & Krenzer's watertight doors now protect the Joralemon Tube. The work was part of the "Sandy" Recovery Project for the New York City Transit Authority, Contract P-36440. Walz & Krenzer worked with Forte Construction in supplying doors in a variety of...
The South Ferry Terminal is currently protected by Walz & Krenzer's flood barriers. The flood barriers are covered with architectural covers, to minimize appearance. Here are some photos during a recent visit to New York City. Walz & Krenzer would like to...
Get In Touch
WK has the most design expertise in the industry. All of our products are custom designed in house and approved by our own licensed Professional Engineers. From the simplest flood barrier to the most complex high pressure closure, our engineers design your product based on your requirements.