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128 mm Vertical Sliding Windows

128 mm Vertical Sliding Windows

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • BSI Kitemark

    BSI Kitemark

    Certificate type

Profile 22 Systems

A range of PVC-U, 128 mm deep, vertical sliding windows.

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+44 (0)1952 290910 www.profile22.co.uk

Fully ovolo detailed PVC-U vertical sliding windows with sash options to ensure equal sightlines and a tilt-in facility to allow easy cleaning. The 128 mm front to back dimension makes it ideally suitable for traditional timber box sash replacement. Wider sill options are also available to enable a range of installation options.

Profiles are extruded to BS EN 12608 and the fabricated sliding window provides excellent weathering performance. The vertical sliding window holds kitemark accreditation.

General information


[Size, Minimum and maximum window sizes vary across the range of window styles, please consult the manufacturer for further details]


Uniclass 2015

Pr_30_59_98_92 Unplasticized polyvinyl chloride (PVC-U) window unitsPrimary


L10/30 PVC-U windows

L10/350 PVC-U windows

Specification data - Unplasticized polyvinyl chloride (PVC-U) window units

Product Reference

128 mm Vertical Sliding Windows

Colour/ Finish



See 'Options' below and insert requirements.


See 'Options' below and insert requirements.



Georgian bars

Leaded glass

Patterned glass


Controllable ventilators

Permanent ventilators

Sash lock

Tilt restriction

Torsion spring balance


See 'Options' below and insert requirements.

Standard product features

Vertical sliding system:

Fully featured ovolo detail frames and sashes.


Acrylic modified high quality impact resistant white PVC-U extrusion, producing a rigid multi-chamber profile to BS EN 12608, manufactured in accordance with BS EN ISO 9001 and BS EN ISO 14001 and BES 6001 Responsible Sourcing.


Specific members are reinforced with galvanized steel or aluminium sections within the profile's cavity as defined in the technical manual.


  • 24 mm insulated glazed unit to BS 6262.
  • Co-extruded glazing beads are provided for internal glazing.
  • Low line PCE glazing system.


  • Energy efficient windows achieving Window Energy Rating (WER) of A, B and C.
  • WER of A+.
  • U-values of 1.4 W/mK achievable.
  • Air permeability testing 600Pa, water tightness 300Pa and window resistance 1600Pa (weather tested to BS 6375-1:2009).
  • A combination of bubble and brush seals ensure performance meets the requirements of BS 6375-1

Product Options

Colour foils:

Consult manufacturer for further details and lead times. Note that the RAL colours listed are not exact matches; the manufacturer recommends that the colour match is checked prior to use to ensure suitability. Colour swatch booklets are available upon request.

  • Agate grey RAL 7038.
  • Anteak.
  • Anthracite grey (smooth) RAL 7016.
  • Anthracite grey RAL 7016.
  • Basalt grey RAL 7012.
  • Black brown RAL 8022.
  • Brilliant blue RAL 5007.
  • Chartwell green BS14C35.
  • Cream RAL 9001.
  • Dark green RAL 6009.
  • Dark oak FL-F1.
  • Dark red RAL 3011.
  • English oak.
  • Hazy grey RAL 7001.
  • Irish oak.
  • Light oak RAL 8001.
  • Mahogany RAL 8017.
  • Natural oak FL-G.
  • Rosewood RAL 8017.
  • Rustic oak 1.
  • Siena PR.
  • Signal grey (smooth) RAL 7004.
  • Slate grey (Finesse) RAL 7015.
  • Slate grey RAL 7015.
  • Steel blue RAL 5011.
  • Swamp oak ST-F.
  • Walnut V.
  • White foil RAL 9010.
  • White PVC-U RAL 9003.


Minimum and maximum window sizes vary across the range of window styles, please consult the manufacturer for further details.


  • Caldwell specialist sliding sash hardware fitted.
  • Caldwell tilt restrictor mechanisms are applied.
  • Windows with suitable hardware meet the security requirements of PAS 24.

Third party certifications
  • Full System certification
  • Kitemark for profile and enhanced security
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