Because someone always closes the door.
Trusted by tint shops & installers · DUMB FAST SHIPPING
Engineered and Manufactured in the U.S.A.
Frameless Window Protection Tool for Professional Tint Installers
Frameless windows are the silent troublemakers of tint jobs. Everything looks perfect, the film is shrinking clean, the glass is up where it needs to be… until someone closes the door.
The trim compresses, the glass takes the load, and suddenly you’re not tinting anymore—you’re explaining a crack. DoorDumb exists to stop that exact moment.
DoorDumb is a protective spacer tool used during tint installation on frameless and semi‑frameless automotive door windows.
It sits between the glass and the trim so that, if the door closes while the window is up, the tool takes the compression instead of the glass edge.
In simple terms:
Door closes.
Pressure happens.
DoorDumb takes the hit instead of the glass.
DoorDumb is designed to protect automotive glass and window trim during tint procedures where the window must stay raised.
Typical use cases:
During these steps, an accidental door close can compress the trim against the glass and cause failure. DoorDumb prevents that condition.
DoorDumb acts as a mechanical buffer between the window glass and the interior trim.
Without DoorDumb: pressure flows into the glass.
With DoorDumb: pressure is redirected into the tool.
Glass survives. Trim survives. Installer looks like a genius.
DoorDumb is intended for:
Ideal vehicle types:
These are the platforms where accidental glass damage happens most often during tint installs.
Using DoorDumb provides clear operational benefits:
Basic use:
DoorDumb is a preventative tool, not a repair device. Treat it as a standard step in your frameless‑window workflow—just like cleaning glass or cutting film.
Patent status: DoorDumb – patented technology (2024), developed specifically for tint professionals to reduce glass breakage on frameless windows.
Engineered and Manufactured in the U.S.A.
Look. We’re glad you’re here. But before anybody gets any bright ideas—let’s talk. Like adults.
Here’s the deal: DoorDumb is protected intellectual property under United States patent law. That’s not a suggestion. It’s not a flex. It’s the law. We designed it, we built it, and the federal government has our back on this one.
So what happens if someone copies it? Well, let me spell it out nice and clear. Infringing on a U.S. patent isn’t like borrowing a cup of sugar. You can’t make it, sell it, or pass it off as yours. Period. The problems you’ll run into? Injunctions. Damages—and we’re talking real money, not pocket change. Lost profits. Attorney’s fees. And yeah, the possibility of a jury deciding you owe us a lot more than you’d ever make selling knockoffs. The courts don’t mess around with this stuff.
We’re not trying to scare you. We’re trying to save you a headache. If you’re a legitimate business, a distributor, or you’ve got a great idea you want to collaborate on—pick up the phone. We’re reasonable people. But if you think you can stamp out cheap copies and fly under the radar? That’s a different conversation. And trust me, you do not want that conversation.
This notice does not constitute legal advice. For licensing or partnership inquiries, contact us. All rights reserved. © DoorDumb.
Engineered and Manufactured in the U.S.A.
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Because someone always closes the door.
$24.99