Traditional Aesthetics Match Modern Performance

At Trade Windows Bristol, we offer a flush sash window that replicates the original features of timber casement windows while offering superior thermal performance. Read on to discover why this unique window is the right fit for your next installation.

  • Features
  • Dimensions
  • Appearance
  • Downloads
  • Features


    • Achieves 1.8 W/m²K / WER A+ with double glazing
    • 6 chambered outer frame design with recycled thermal (RCM) inserts for improved thermal performance
    • Standard Optima outerframes and packers can be used to deal with the variations in older properties
    • Standard co-extruded gasket plus optional second and third weather seal aids thermal performance



    • Cill sizes from 85mm to 225mm
    • Couplers available in a range of sizes from 3mm to 29mm
    • Packers available in four sizes ranging from 15mm to 50mm



    • Authentic shape to the frame, bead, sash and cill plus optional Georgian bars, sash horns, weather bars and a deep bottom rail
    • Large and small sash profiles give equal sightlines to the top and bottom sashes



    Find all the information you need here

    CE BFRC ERC Smart Aluminium Spectus Residence Collection Optima Patio Master

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    0117 978 4444

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