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432 articles · 14 topics
General
A Mother's Day reflection from the MDH team — on the doors that mark life's most meaningful moments, and the people who make those…
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Door Hardware
Lock functions demystified — cylindrical vs. mortise, ANSI functions, panic hardware requirements, and how to match the right hardware function to the door's purpose.
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General
MDH doesn't just drop off doors and disappear. Here's what a job site visit from our team actually looks like — and why it…
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Door Hardware
There's more to hinge selection than most people expect. This article covers hinge types, sizing by door weight and width, bearing vs. non-bearing, continuous…
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Door Hardware
Commercial keying is more than copying keys — it's a system. Here's how master key systems work, why they matter for your building, and…
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Fire-Rated Assemblies
NFPA 80 in plain language — what fire ratings mean, what's required at each rating level, and the compliance failures that show up most…
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General
Commercial doors and hardware require regular maintenance to perform safely, function correctly, and stay code-compliant. Here's what building owners and facility managers need to…
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Wood Doors
Wood doors aren't just for aesthetics. This article covers how commercial wood doors are constructed, when they're the right specification choice, fire rating requirements,…
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Door Hardware
The hardware that protects a commercial door from daily wear and tear is just as important as the hardware that makes it function. Here's…
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