Marybern has been involved with the window industry for many years providing steel reinforcements for PVCU windows. When it comes to windows and doors, we have great knowledge of steel engineering and processing.

Our new Sash weights are great value, and are particularly cost effective for use in both single and double glazed traditionaly manufactured timber windows. Marybern weights can be used with 95% of all sash windows where the sash box size is standard.