Stoper factory has been built on a 23,750sqm area in the industrial capital city of Turkey, Kocaeli.

BITUMEX Line membranes are manufactured by Stoper AS at its hightech premises with a 12,000,000sqm annual production capacity.

Along with being one of the leading membrane suppliers in Turkey with its many prestigous projects, Stoper AS also enjoys having its products distributed in 25 countries around the world through its reliable business partners.