Powerful polymer interior doors: hermetic seal, 29dB acoustic insulation, magnetic soft-close locks, and a design that sits perfectly flush with your wall line.
The zero-line door is an interior door that sits precisely flush with your wall — no protruding frame, just a thin, clean line and a minimalist design that makes any space look wider, more modern and more luxurious.
Unlike standard doors, our frame is made of high-density reinforced polymer. The structure wraps all 3 invisible hinges from every direction, and they adjust in 4 dimensions (4D) for a perfect fit and outstanding stability.
Standard polymer simply cannot produce a top sealing step. Ours has a sealing ledge at the top as well, creating a hermetic closure against the frame.
The doors deliver maximum acoustic insulation of up to 29 decibels, for total quiet and privacy in every room of the house.
Our expert installation team handles measuring and fitting to a flawless standard of finish, so the door blends into the wall line smoothly and cleanly.
No cutting corners on materials — every door is built to last for decades.
An exceptionally strong wrap, 100% waterproof.
A smooth, flawless finish that lasts for years.
A soft, quiet and precise close, every single time.
Width 70–90 cm · structural height 210–230 cm.
"I had 7 doors fitted — I could not be happier. I visited about 4 companies before seeing a Facebook advert randomly, and I'm so pleased I did. My favourite feature is the magnetic locks — magic. What other supplier has those!"
"Quality doors were terrifyingly expensive, and everything within a reasonable budget was flat-pack. I was so glad when I found ONEDOOR — the perfect combination of price and quality. Waterproof, soundproof, magnetic locks: modern, practical and beautiful."
"From start to finish, the team was professional, efficient, and attentive to detail. The project was completed on time and the workmanship is excellent."
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