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30/07/26
Arched PVC windows are a way to add architectural expressiveness to a home: the smooth curve softens the strict lines of the facade, gives the building a more dignified look, and immediately sets it apart from typical structures. These windows fit naturally in houses with classic, Gothic, or Provence‑style designs, and they also work well in attics and bay windows — where sloped ceilings and unusual opening geometries call for a non‑standard approach.
The secret to the reliability of an arched design lies in the profile bending technology: the PVC is heated to the right temperature and carefully shaped on a template, and a steel reinforcing insert is always placed inside — it holds the shape and prevents the frame from deforming. For glazing, tempered glass or laminated (triplex) glass is most often used: they’re stronger than regular glass and safer if damaged.
Functionality doesn’t suffer either. Often, the upper arched part is made fixed, while a rectangular sash with a tilt‑and‑turn mechanism is placed below — this preserves the eye‑catching silhouette while still providing convenient ventilation. If the curve is very pronounced, they may not include any opening section in the arch at all: this improves airtightness and reduces the risk of drafts.
Arched windows also have practical benefits: they visually raise the ceiling, making the room feel brighter and airier. But installation requires exceptional precision — any error in measurements or fitting can lead to loss of airtightness. That’s why it’s best to entrust such structures to professionals: it’s the craftsmanship of the installers that turns an elegant shape into a truly comfortable and durable window.

Which kind of windows would you prefer If you were going to replace the old ones in your house or apartment?