Housing, commercial and public applications.


An authentic PVC-U sash window where every detail has been designed and engineered to closely resemble the features of a period timber window while continuing to offer all the benefits of modern materials and manufacturing techniques. The sash window offers good thermal performance, is secure and maintenance-free.

Features and benefits:

  • Rehau slim profile.
  • Exclusive 35 mm meeting rail.
  • Fully mechanical joints.
  • Run-through horns.
  • Deep bottom rail.
  • Flat external putty lines.
  • Woodgrain finish (white, cream, golden oak, rosewood).
  • Bespoke globe claw furniture.
  • Torsion balances.
  • ‘A’ rated thermal efficiency.
  • Flush or projecting cill (225 mm).
  • Tilt-in sashes for easy cleaning.

- Optional features:

  • Flat white finish.
  • Painted finish (any RAL colour on smooth or woodgrain).
  • Secured by Design.
  • Limit stops to restrict opening.
  • Slim-mullion option on combination windows.

General information


Bright white, crystal white, cream or painted finish (any RAL colour on smooth or textured).



Smooth, woodgrain or matt paint texture





Unplasticized polyvinyl chloride (PVC-U)


Sash window




1500 x 3000 x137 mm


Ten year

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 Enhanced data

Product Reference

Ultimate Rose Sash Window - Slim Mullion Double

Ultimate Rose Sash Window - Slim Mullion Double Secured by Design

Third party accreditation

Secured by Design, BlueSky Acoustic, PAS24:2016, BS 6375.

Background ventilation

Trickle vent option.

Acoustic performance rating

32 dB (upgrade to 37 dB).

Environmental information

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

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