BWS35 System
Single Hung Sash

The BWS35 Sash window was developed for refurbishment of old buildings but it can also be used in new projects. 

With a fixed upper sash, it uses a practical operating system that combines lifting as well as tilting of the lower sash. This tilting action ensures an easy cleaning of the outer side.

The sash window has a special twofold weatherstripping to combine efficient watertightness with easy use.

Also, its twin spring system keeps the sash safely in place when opened.

Main advantages

  • Perfect for refurbishments;
  • Tilting mode for easy cleaning;
  • Safety in usage.
  • Very slim and elegant

Think Ahead, Think BOAVISTA

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