A heavy-duty vertical sliding unit supported on high capacity spring balances suitable for treating monumental sash windows found in Victorian and Edwardian buildings. Thicker glass options provide high levels of noise insulation and with a secure lock option, it has accreditation to Secured by Design. The sashes contra slide to assist cleaning and a minimum frame to frame gap of 75mm is recommended to allow access to the outer window.
Recommended maximum frame sizes (mm), based on 6mm toughened glass
Height (mm)
Width (mm)
5200
2350
Recommended maximum frame sizes (mm), based on 12.8mm acoustic laminate glass
Height (mm)
Width (mm)
3500
1700
Balance Capacity
90kg
Glazing Range
6mm to 12.8mm
Frame Finishes
Standard white (HIPCA semi-gloss).
Any standard powder paint, wood grain or anodised finish to order.
To view the coupling guide and other documents available, please visit the technical downloads.
Go to technical downloads
Never miss one bit!
Subscribe to our monthly Newsletter to receive updates on our news and CPD initiatives.
Thank you!
Thanks for joining our mailing list.
Our use of cookies
We use cookies to provide you with a great experience and to help our website run effectively. You can find out more and change your cookie preferences anytime on our Cookie Policy page.