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Casement window systems

WOLFA is among the pioneers to produce windows from glass fiber reinforced polyester (GRP).

With more than sixty years of experience in glass fiber reinforced plastics technology we provide standard solutions which have proven their worth in millions of applications, as well as new and innovative casement window systems which are - thanks to their high quality and favorable prices - most highly appreciated in the building industry.

WOLFA -casement window types ZO and ZOW

Our casement window system ZO - WOLFA SOFT, Europe-wide protected by copyright, has been a bestseller in new buildings all over Europe for years. The multi-purpose casement window provides full flexibility and allows the installation of window inserts perfectly tuned to the system: from the robust cast iron basement window to the high-quality, modern and energy-saving 5-chamber tilt & turn insert with outstanding heat insulation properties.

The choice is yours

WOLFA casement window types ZDK and ZDK - Thermo+

Casement window, complete with tilt & turn sash

High-quality casement window, white, three- or five-chamber profile, offset surfaces with double window rebate seals, thermal insulation glazing Ug 1.1 W/(m2K), total thickness 24 mm and safety one-hand turn & tilt profile Roto NT with increased security (mushroom pin lock). Inserted in a casement made of glass fiber reinforced polyester. Available DIN right or DIN left. Unless indicated otherwise, we supply DIN right.

WOLFA casement window type Z (hopper sash) 

Proven and tested millions ot times, robust and safe

Our WOLFA casement window type Typ Z has been produced with hardly any changes for more than fifty years. The successful classic amongst our other products is used in new buildings all over Europe. The hopper sash window convinces with its easy handling and fulfills all requirements on a basement window. Millions of installed WOLFA casement windows speak for themselves.


WOLFA - MADE IN GERMANY - Kunststoff-Bauelemente
Zarge Typ ZOW - wärmegedämmt -
Zarge Typ ZOW - wärmegedämmt -
Zarge Typ ZO - ungedämmt -
Zarge Typ ZO - ungedämmt -
Zargenfenster Typ ZDK Thermo+
Zargenfenster Typ ZDK Thermoplus
Zargenfenster Typ Z
Zargenfenster Typ Z
Perimeter-Abdeckrahmen (GFK)
Montagedämmelement (GFK)