Frequently asked Questions

Usually not, the glass is washed free of charge by the service provider before installation. If there are construction residues on the glass (plaster, filler, etc.), we ask the client to remove the larger dirt themselves, because in such a situation there is a risk of damaging the glass during cleaning.

Yes, our films are allergy-free and are excellently suited for environments where children and animals are present. The antibacterial protection of the films helps reduce the spread of bacteria and mold on surfaces, ensuring a cleaner and healthier environment.

To submit a warranty claim, please send us a video or picture of the problem window area to info@sperkoda.com.

The installation of films does not affect the opening functionality of windows or prevent windows from opening. Films are installed on the glass, not on the window frame, and they do not change the movement of the glass or prevent windows from opening or closing.

We can install a sample film on a small window or area to show how the film suits the room and how it affects light and temperature. This allows you to make a final decision without additional risks and ensures that the chosen solution fits your needs.To do this, send an email to info@sperkoda.com and arrange a time to view the samples.

Yes, we offer flexible payment options to support different budgets. For example, you can pay in installments, dividing the payments over three or six months, depending on the size of the project and the agreement.

Yes, especially UV-A rays, which can damage skin and eyes even indoors.