The UK's first Secured by Design - fully mechanically jointed flush sash windows from TruFrame. Based on traditional timber window styles with 21st century features and benefits, offering the very highest levels of security and thermal performance.

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  • Mechanical flush sash   main image

    Refine - Flush Sash Windows Fully mechanically jointed frame and sash 🔍

  • Mechanical flush sash   hinge

    Refine - Flush Sash Windows Hinge and monkey tail handles 🔍

  • Mechanical flush sash   hardware

    Refine - Flush Sash Windows Sash hardware 🔍

  • Mechanical flush sash   cruciform

    Refine - Flush Sash Windows Completely flush and perfect finish 🔍

  • Features & Benefits

    Refine Flush Sash Windows with Beautiful Aesthetics

    Inspired by traditional timber joinery, this product is perfectly suited to heritage style applications. However, select anthracite grey and the look will be transformed perfectly into a contemporary modern application. A substantial colour range, most available within 7 days, and our acclaimed four-step hand finishing process make the Refine flush sash windows an exciting prospect for the homeowner. Beautifully designed and perfectly finished.

    For the first time in the UK, we have attained full Secured by Design accreditation on our fully mechanically jointed, and partly mechanically jointed offerings. The Refine flush sash windows also benefit from a new exclusive milled decorative astragal bar.

    In operation the frame and sash sit flush when closed, recreating the look of traditional timber joinery. Our Refine flush sash windows incorporates a dedicated slimline sash, allowing the face of the profile to sit flush with our existing 70mm Energy Plus outer frame. 

    The Refine flush sash windows collection gives you that traditional timber appearance, whilst still being ultra-low maintenance and 100% recyclable.


    • Fully mechanically jointed frame and sash.
    • The UK's only Secured by Design accredited flush sash uPVC window.
    • For traditional or contemporary properties.
    • Is a 70mm product and takes a standard 28mm sealed unit.
    • Comes in a vast range of colours -most supplied in just seven days.
    • Is available with key-locking monkey tail handles and peg-stays.
    • Is fabricated and hand finished to the highest standards.
    • A+ WER rating.
    • 10 year guarantee.


    Take a look at our Refine brochure to find out more



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