Vertical Sliding Sash Window - Vrogum

Due to ground breaking hardware developed and patented by Vrogum, the sliding sash window is now as efficient as a casement window. It complies with all requirements for heat insulation and sound reduction as well as being draught and theft proof, and all without compromising the look of a traditional box sash window.

• - Comply with Part L 2006: Building Regulations (Conservation of fuel and power)
• - Extremely wind and water tight, one of the tightest on the market
• - Tested for up to 39DB sound reduction (according to EN ISO 717-1:1996)
• - Standard with Super Low E glass with Argon Gas U-value 1.2
• - High Quality Torso spring balances
• - Operated by lockable window handle
• - Safe and easy window cleaning from inside, bottom tilt
• - Locked night ventilation position and/or trickle vents
• - Internal glazing beads, with a putty rabbet look on the outside
• - 22 mm simulated glazing bars, with putty rabbet look Horns
• - High security due to concealed espagnolette locking and internal glazing beads
• - Any size, design and colour
• - Fully drained sash and glazing system