Bertrand Windows and Doors

Package service

We are proud of our products and always try to meet the expectations of our customers. Therefore, we are pleased to announce that Bertrand has introduced a new service that aims to provide even better care for our products.

Now you can purchase a special service package for your windows and doors that we produce. This is a solution that aims to adapt to your needs and ensures full satisfaction with our products. One of the greatest advantages of our service package is the possibility of extending the warranty by another 12 months. Thanks to this, you can be sure that in case of any problems or faults, we will always be there for you, ready to quickly respond and repair. Thanks to this, we will be able to ensure your satisfaction and long-term enjoyment of our products.

Range of services service package


Additional 12 months warranty

Adjustment and lubrication of fittings


Seal maintenance


Overview of seal inserts


Checking the tightness of the joinery


How to redeem service package?

Step 1

Skontaktuj się z działem serwisu.

Step 2

Provide a photocopy of your proof of purchase or the first page of the warranty card.

Step 3

Make a payment of the appropriate amount to the account indicated by the seller.

The offer is addressed to customers residing in the Republic of Poland.

Detailed information is available in the Bertrand Service section