Heritage Flush Sash


Flush casement windows are characterized by openers which close into the frame and finish flush with the face of the window to replicate timber style windows. Applications include modern townhouses or country cottages or any contemporary surroundings.

Features and benefits:

  • Sleek slim line frames.
  • Includes high performance multifunctional weather seals. With a continuous seal welded at the corners, air tightness is always maintained.
  • External dual seal combination maximizes water tightness and conceals hardware.
  • An integral drainage slope ensures water drains away quickly.
  • Authentic peg stay and Georgian bar options available.
  • Euro-groove inboard to facilitate a night vent.
  • Mechanical or welded transom/ mullion joints.
  • Traditional ironmongery options available.
  • High energy rating and weather performance.
  • Enhanced security PAS 24 approved.
  • Double or triple glazing available.
  • Low maintenance PVC-U frames.
  • Available in a range of Heritage woodgrain finishes.
  • A+ WER rating.


  • Air permeability (Class A4): 600 Pa.
  • Water tightness: (Class E900): 900 Pa.
  • Wind resistance (TCI A5): 1600. (Steel AE): 2400.
  • U-value (Uw): 1.4–0.90 W/m²K. (0.90 achieved with 4/14/4/14/4 argon cavity glazing).

General information

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

Heritage Flush Sash


Side hung casement

Top hung casement

Colour/ Finish



Agate grey

Anthracite grey

Anthracite smooth

Black ash

Black ash

Chartwell green

Classic cream

English oak

Golden oak

Heritage white

Irish oak

Nut tree


White grain


3 mm single glazing

28 mm double glazing

40 mm triple glazing

Product Options

Colour/ Finish:

  • Authentic ‘wood like’ finish.
  • Extremely durable with a ten year manufacturer’s guarantee.

- Colour Express:

A unique range of foil colours in 18 colourways.

- Heritage Collection:

A range of premium woodgrain foils in eight colourways.


Third party certifications

  • PAS24

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