---
title: Presray Corporation Home Page
description: Welcome to Presray – Critical Containment Solutions since 1955 – Watertight Flood Door products & Hatches and Airtight Products for labs and Cleanrooms for all your flood protection solutions.
---

[![logo.png](https://www.presray.com/hubfs/Presray_Image/logo.png "logo.png")](https://www.presray.com/?hsLang=en-us)

- [Contact](https://www.presray.com/contact/?hsLang=en-us)
- 845.373.6700

[![presray overview banner](https://www.presray.com/hs-fs/file-20925609-jpg/images/banner-images/intro-home-banner.jpg)](https://www.presray.com/about-presray/?hsLang=en-us) [![Nuclear Industry: Presray offers a wide range of critical containment solutions for the Nuclear Industry: watertight doors and hatches, spent fuel pool gates and modular flood barriers.  We also offer Fire and Ballistic Rated Doors.](https://www.presray.com/hs-fs/file-20146031-jpg/images/banner-images/nuclear-banner.jpg)](https://www.presray.com/nuclear-industry/?hsLang=en-us) [![Watertight Products & Flood Protection: Our watertight product line is incredibly comprehensive: watertight doors and hatches, modular barriers that can be deployed in minutes and flood gates that will securely seal large openings.](https://www.presray.com/hs-fs/file-20146038-jpg/images/banner-images/watertight-banner.jpg)](https://www.presray.com/watertight-products-flood-protection-overview/?hsLang=en-us) [![Labs & Cleanrooms: Presary is among America’s most trusted makers of airtight doors, hatches and decontamination chambers.  We provide biosafety and biosecurity for some of the most critical laboratories in the world.](https://www.presray.com/hs-fs/file-20146029-jpg/images/banner-images/cleanroom-banner.jpg)](https://www.presray.com/labs-cleanrooms/?hsLang=en-us)

# A Singular Focus on Critical Containment Since 1955

Everything we do here at Presray is about safety and protection. Our products include a broad array of watertight and airtight flood doors and other containment and security solutions for critical facilities.

Our innovative leadership was shaped by the stringent demands of the aerospace and nuclear industries; today we help protect hundreds of businesses, academic, governmental and civic facilities using the same rigorous approach across hundreds of different critical containment applications. [More about Presray](https://www.presray.com/about-presray/?hsLang=en-us)

# The Most Tested & Certified Products Available

![describe the image](https://www.presray.com/hs-fs/file-40629569-png/images/fema_logo_117.png?width=100&height=92&name=fema_logo_117.png)Presray's flood products exceed all government guidelines:

- **Exceeds [FEMA and NFIP Guidelines](https://www.presray.com/certified-floodproofing-center/fema-floodproofing-requirements/?hsLang=en-us) **
- **Exceeds [U.S. Army Corp of Engineers Standards](https://www.presray.com/certified-floodproofing-center/army-corps-of-engineers-standards/?hsLang=en-us)**
- **Exceeds FM Approvals standards**
- **No other company comes close**

 

[![Learn More](https://no-cache.hubspot.com/cta/default/187435/d0e824c0-db9e-4d90-81e9-2ca25a67d405.png)](https://cta-redirect.hubspot.com/cta/redirect/187435/d0e824c0-db9e-4d90-81e9-2ca25a67d405)

[![How to Choose a Flood Control System for Your Business](https://no-cache.hubspot.com/cta/default/187435/054f4bc6-04bb-46a0-8b66-35450c124353.png)](https://cta-redirect.hubspot.com/cta/redirect/187435/054f4bc6-04bb-46a0-8b66-35450c124353)

[![presray overview](https://www.presray.com/hs-fs/file-28926161-png/images/video-image-presray-overview.png)](https://www.youtube.com/embed/PpkKGf0F1-Q)

### NEW! Self Closing Flood Barrier. The HYFLO SCFB™

When aesthetics are critical, this flood barrier is invisible and instantly deploys with No Manpower.

[Learn More](https://www.presray.com/flood-protection/self-closing-flood-barrier-hyflo-scfb/?hsLang=en-us)

### Singapore's Prestigious Addresses Choose Presray

**Ocean Financial Center**, voted "World's Best Commercial High-rise Development,” chose Presray's floodgates to protect its underground parking garage. A trendy new hotel in Singapore did the same.  Both sit only a couple meters off the ocean.  Find out why they chose Presray.  [Read More…](https://www.presray.com/case-studies/singapore-case-study/?hsLang=en-us)

© 2016 www.presray.com