• Slajd nr 2
    PVC windows
    Heat and energy efficiency you can count on
  • Slajd nr 3
    Skylight PVC roof windows
    When durability counts


About us

We are undoubtedly one of the largest leaders of PVC window and door producers on the European market. Strenghts of our company are modernity, huge production potential, the team of people working with passion. Within a few years, thanks to these advantages and  pro-development attitude, we have become the point of reference for many companies in our industry enviroment.

We do not rest on our laurels, we still put in a lot of hard work, so that our products and quality of service could astonish with innovation and high standard.

Tradition of honest relationship with our customers constitutes the identity of DOBROPLAST brand. Continuous efforts to deliver high quality products at the best pirce, resulted in receiving recognition from our customers and many prestigious institutions. It is supported by our numerous honors and awards.

As a few in the country we are solely responsible for the whole technological process, starting with a profile production and ending with delivery to our dealers. 

Coordination of each step of the manufacturing process allows us to fully take responsibilty for the quality of the final product.

See the difference...

Why choose us?

Check our offer



Basing on our 13-year-old practice, and on over 130 years of experience of Swiss group AFG, we make every effort to ensure that our products are constantly being refined and satisfying for our customers.



Access to advanced technologies and continuous modernization of our production lines makes it possible to head towards our key objective that is providing customers with products of the world highest quality. Specially for you, all of our products must pass rigorous quality testing before they are released for sale.



Innovative systems OVLO, ENCORE with warming inserts and PRIME posses perfect thermal insulation properties. Designed for maximum reduction of energy loss at your home. The combination of premium performance insulation with an attractive price make the windows ENCORE, PRIME and OVLO a choice without compromise.

Become our partner

Dobroplast Window Factory was established in 2000 in Stary Laskowiec, near Zambrów and this is where the main production plant is located. Since the beginning, the main goal was to conquer the worldwide market. Unbeatable price and quality have been a reason for a positive feedback from our customers. We offer a variety of attractive products such as Skylight PVC roof windows, Avantgarde facade PVC windows,, energy-efficient Ovlo, Ovlo Classic, windows for passive houses Encore and Prime and PVC window sills. Among oour products there are also aluminum windows and doors, outside roller shutters and mosquito nets. Our merchandise perfectly fits into the modern house designs. Many years of activity have resulted in numerous awards and prizes, such as: Leader of Construction Joinery, Gold Pilar of Construction , Gold Medal for Skylight Premium PVC roof window, Construction Brand of the Year, Crystal Profile, Company Credibility Certificate


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