Finstral AG
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Windows, front door or glass walls are investments for decades. We will be happy to advise you personally.

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Check-Kit
  • Find out now what your windows are really capable of

The Window-Check.

Sind Ihre Fenster noch dicht, leise, sicher und schön?

Jetzt ist die Zeit für neue Fenster.

Dann finden Sie jetzt heraus, was Ihre Fenster wirklich können: Machen Sie den Finstral-Fenster-Check! Alles, was Sie dazu brauchen, sind zehn Minuten Zeit, ein bequem erreichbares Fenster und unsere Schritt-für-Schritt-Anleitung.

Do the Finstral Window-Check.

Did you know? Around 50 percent of all windows in Europe are over 20 years old and do not meet today’s quality or safety requirements.

Order kit free of charge now

Find out in just ten minutes!

How good are your windows?

With five simple tests you can see whether your windows offer good protection against noise and cold, how tightly they will close and how effective they are against burglars. All you need, along with simple step-by-step instructions, can be found in the Finstral Check-Kit.

Always well sealed.

Around 20 percent of heating energy is lost through poorly insulated windows alone.

Always quiet.

According to the World Health Organization, noise is the second biggest threat to public health.

Always secure.

Over 80 percent of all burglars enter via poorly secured windows.

Always attractive.

Wooden windows must be painted every five years at least so as to maintain their surface quality.

Let’s go! Five simple tests to check the state of your windows.

Everything for your Window-Check.

Weißes Feuerzeug aus Kunststoff mit silbernem Metallkopf und rotem Zündhebel, auf Holzoberfläche liegend.

Lighter: to check insulation

Schmale weiße Papierstreifen mit schwarzem Aufdruck, flach auf einer hellen Holzoberfläche liegend, als Musterkarte oder Einleger.

Paper strips: to test sealing

Kleiner silberner Rollen-Pilzbolzen aus Metall mit rundem Kopf und Gewinde, auf heller Holzoberfläche liegend.

Bolts: to compare locking parts

Kleines weißes PVC-Muster mit feiner Struktur auf heller Holzoberfläche, quadratisch und flach für Material- oder Dekorvergleich.

Surface samples: to assess optical defects

Order kit free of charge now.

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