FAQ - Frequently asked questions

What types of wood do you offer? How long do wooden windows and wood-aluminum windows last? How can I get advice? On this page you will find the overview of answers to frequently asked questions, sorted by topics.

Sorpetaler Fensterbau Stefan Appelhans FAQs
|guide|frequently asked questions|

Questions about the purchase process

Questions about the products

Questions about the company

How to get our products

Step 1


You provide us with initial information about your building project. You are welcome to send us a quick and easy e-mail to contact@sorpetaler.de.

step 2


We forward your inquiry to one of our qualified partners in your area.

step 3


Our partner will provide you with expert advice on products and features at your location and can prepare a proposal. We encourage all partners to also provide installation services directly or indirectly, or assist in sourcing local trained and qualified installers.

step 4


As soon as we receive the order, we manufacture your windows and doors to size. After delivery, our partner installs them.