Heavy Duty 90 (VS)

A heavy-duty vertical sliding unit supported on high capacity spring balances suitable for treating the sizable 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), subject to balance capacity

Height (mm) Width (mm)
3600   2000

Balance Capacity

45kg 

Glazing Range

6mm to 12.8mm

Frame Finishes

Standard white (HIPCA semi-gloss). Any standard powder paint, wood grain or anodised finish to order.

Vertical Sliding

Vertical Sliding Product

Gallery

Series 90 Heavy Duty Vertical Sliding Isometric All Saints Church with arched series 90 vertical sliding secondary glazing Browns Hotel series 90 vertical sliding secondary double glazing for noise reduction Cornwall Terrace large series 90 vertical sliding sash windows, grade 1 listed regency buildings

Styles available

Vertical sliding standard and arched head secondary glazing styles

Section diagrams

Selectaglaze secondary glazing Series 90 heavy duty vertical sliding section diagrams

Warmer

INSULATION (U-VALUE) CALCULATED IN COMBINATION WITH A PRIMARY WINDOW AT BRFC SAMPLE SIZE OF 1430 x 1230MM
GLASS METAL PRIMARY WINDOW TIMBER PRIMARY WINDOW
 6 - 12mm  2.89 W/m2K  2.62 W/m2K
 6 - 12mm low-E  1.93 W/m2K  1.80 W/m2K

Quieter

NOISE INSULATION MEASURED IN COMBINATION WITH A PRIMARY WINDOW
GLASS 50MM CAVITY 100MM CAVITY 200MM CAVITY
 6 - 6.4mm  40 dB (Rw)  44 dB (Rw)  46 dB (Rw)
 6.8 - 7.5mm  41 dB (Rw)  45 dB (Rw)  47 dB (Rw)
8 - 10mm 42 dB (Rw) 46 dB (Rw) 48 dB (Rw)
10.8 - 12mm 43 dB (Rw) 47 dB (Rw) 49 dB (Rw)

Safer

SECURITY PERFORMANCE (MAXIMUM ACHIEVABLE, CONTACT SELECTAGLAZE FOR SPECIFICATION REQUIREMENTS)
  TEST STANDARD
INTRUDER Secured by Design (accredited police preferred product)
BLAST ISO 16933 EXV 33
BALLISTIC N/A
FIRE N/A
  • H3 Recessed Finger Pull
  • H17 Cranked D Handle
  • H23 Locking Actuator
  • H26 Low Profile Locking Handle
ITEM FINISHES
H3 Recessed Finger Pull H4 Moulded Handle H17 Cranked D Handle H26 Low Profile Locking Handle Match frame colour
L2 Fitch Catch (Lockable) White Black Gold Polished chrome Brushed steel

Looking for more?

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.