What are the benefits of Sash Windows

  • Soundproof casement windows

    With our tailor-made range of Silent Windows windows for noise reduction in wood, you can drastically reduce noise, far more than is possible with "normal" double glazing. We're talking up to 45 dB.

  • Each of our soundproof casement windows is tailor-made

    Whether you are a homeowner, hotelier or architect, the special sliding windows that we create for you are unique. This is because at the beginning we not only measure the room, but also the noise. We take various logistical factors and your aesthetic decisions into account.

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Soundproof wooden casement window

Sliding windows are windows that work up and down in a sliding system, a drive being carried by weights or springs that are arranged in the frame. They are equipped with glass packages up to 40 mm thick. We produce windows in three basic thicknesses:

So why choose our Silent Sash Windows?

The quality and fit of the products themselves. It is not just the individuals, materials or the design process that define our windows, but also the way our designs are based on a thorough understanding of specific individual needs.

Continuous support from experts. From the first survey to installation, we offer a continuum of expertise from a team trained by experts from the Institute for Acoustics.

Our range of options. We offer four sliding windows: Heritage, Conventional, Slim or Spring. Regardless of whether you need a special window function, a bay window, a type of housing or a specially developed box sash, we can provide this.

All the advantages of hardwood. They last between 60 and 80 years and have more than two and a half times the lifespan of a plastic window. Our hardwood frames are weatherproof and never warp. In addition, they are energy efficient, easy to repair, fully biodegradable, and very easy to dye.