OVER
30 YEARS
EXPERIENCE
DELTA is a family company based in Katowice, founded in 1992 by Zbigniew Różycki. From the very beginning of our activity, we have specialized in the production of door joinery, placing special emphasis on the quality and reliability of our products.
Over 30 years of experience, combined with innovative technologies and the commitment of a professional team, makes the DELTA brand today:
A symbol of quality and reliability, confirmed by many years of market presence.
One of the leading manufacturers of steel doors in Poland.
A complete offer of steel doors for houses and apartments, including anti-burglary doors with increased acoustic insulation, fire protection, and doors for houses with excellent thermal insulation.
