A more robust vertical sliding unit with higher capacity spring balances for treating larger windows or accepting thicker glass when higher noise insulation is needed. With secure locking 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)
3000 1600

Balance Capacity

Maximum area dictated by 31kg balance capacity per sash.

Glazing Range  

4 mm to 8.8 mm

Frame Finishes

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

Gallery

Series 25 Mid-range vertical sliding secondary glazing isometric Selectaglaze series 25 vertical sliding secondary glazing Chapter House bathroom

Styles available

Vertical secondary glazing standard style

Section diagrams

Selectaglaze secondary glazing Series 25 mid-range vertical sliding section diagrams

Warmer

The Series 25 window has not yet been assessed for thermal insulation but it should compare well with the heavier Series 90 system

Quieter

The Series 25 window has not yet been laboratory sound tested but it should compare well with the Series 20 system

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
  • L2 Fitch Catch (Lockable)
  • L3 SBD Fitch Catch
  • L24 Sliding Latch
ITEM FINISHES
H3 Recessed Finger Pull H17 Cranked D Handle  Match frame colour 
L2 Fitch Catch (Lockable)           L3 SBD Fitch Catch White Black Gold Polished chrome Brushed steel
L24 Sliding Latch Match colour frame

Looking for more?

To view the coupling guide and other documents available, please visit the technical downloads.

Go to technical downloads

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