Hold-open is an indispensable feature that can stay in position. Waterson hinges can open up to 120° with hold-open at 85-90° satisfying most situational needs.

Fire Rated Door Closer with Hold Open: Can They Go Together

Quick Answer No. Fire-rated door closers cannot use a mechanical hold-open feature. Under IRC R302.5.1 and NFPA 80, a fire-rated door must self-close and latch [...]

June 2nd, 2026|Blog, Solutions|

Why 0–120° Is the Optimal Door Opening Angle for Waterson Hinges

“Can I use your self-closing hinges on a door that opens more than 120 degrees?” It’s a question we’ve heard often. In architectural hardware, the [...]

November 20th, 2025|Blog, Solutions|

Mechanical Brake vs Hydraulic Brake: Key Differences Explained

Recently, during a customer visit, a facility manager asked a great question. They were upgrading several doors in a mixed-use building and noticed that our [...]

November 13th, 2025|Solutions|
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