Question 1

What should I check before buying Gerda doors?

Accepted Answer

Check the RC class, locking system, door leaf construction, frame quality, thermal coefficient Ud/U, acoustic insulation Rw, and installation quality.

Question 2

Are Gerda doors worth buying in 2026?

Accepted Answer

They can be worth buying if the chosen model matches your security, insulation, and budget requirements and is installed correctly.

Question 3

What is the most important parameter in security doors?

Accepted Answer

The RC burglary resistance class is one of the most important indicators, but it should be assessed together with the lock system and frame.

Question 4

Does installation affect door security?

Accepted Answer

Yes, proper installation is critical because even a strong door may lose performance if mounted incorrectly.

Question 5

What costs should be included when comparing Gerda doors?

Accepted Answer

Include the door, frame, handles, installation, replacement, and service to get the real total cost.