Bituminous Waterproofing Membrane

As a leading manufacturer of the construction materials since 2001, ERYAP GROUP has been producing polymer based vinyl siding systems for the facade cladding, PVC door and window systems and insulation materials for construction sector providing solutions for the thermal, water, acoustic insulation and fire protection in building, industrial applications in its three factories covering a total surface area of over 150.000m².

ERYAP GROUP has established its first factory in Gaziantep to produce polymer based siding under the brand name of AMERICAN SIDING and became the first Company to produce the vinyl siding commercially in Turkey. The company began manufacturing and supplying Extruded Polystyrene(XPS) Thermal Insulation Boards under BONUS brand at its second factory in Silivri/Istanbul in 2005. In order to expand the products range and satisfy the increasing customer demands, the Company launched new factory to manufacture waterproofing membranes under BONUS Brand in 2007. ERYAP GROUP started to supply the BONUS Thermal Insulation Systems in 2009, as a part of its responsibility for the overall products available to the distributors. Later we started PVC Doors&Windows System in an innovative way under the brand name WINER in 2010, providing a high level quality, comfort and convenience, long useful life, brillant white color. BONUS SHINGLE products designed for roofs with wide range of shapes and colors in year 2010. Finally, ERYAP GROUP has set up the first stonewool production line its thirth factory in Sakarya in 2012 and continued to expand its production capacity by the the second line in 2017 with the extensive experience in the insulation sector.