1600x580 BoxSash v2

Box Sash Windows

Approved for use by many planning boards, including in conservation areas, our Vertical Sash window is designed to emulate the classic appearance of a traditional Box Sash window in an energy efficient and low maintenance PVC-U system. Featuring an authentic ovolo shape to the frame, bead, sash and cill, it also features a period character defining, deep bottom rail.

Box Sash Windows

It's the small details that create the difference between the best box sash windows and those of its competitors. With a deep bottom rail, slim sightlines and a classical ovolo shape, plus woodgrain foil options our vertical sliding sash windows put a tick in every box.

  • Authentic ovolo shape to the frame, bead, sash and cill
  • Optional Georgian bars, sash horns, weather bars and deep bottom rail emulate the appearance of a traditional sash window in a low maintenance and energy efficient PVC-U system
  • Flush gaskets mimic traditional glazing
  • Approved by many planning boards, even for use in conservation areas
  • A 128mm outerframe matches timber sash dimensions, making installation simple
  • Windows can be made up to a maximum size of 1600mm wide and 3000mm high
  • Large and small sash profiles give equal sightlines to the top and bottom sashes
  • 150mm and 210mm cills
  • Designed to achieve a Window Energy Rating of Band ‘A’ with 24mm sealed units
  • Both sliding sashes can tilt inwards for easy cleaning
  • Smooth operating balance mechanisms
  • Recycled Composite Material reinforcing inserts improve thermal performance


Introducing EVA...

EMPLAS Virtual Assistant
for our Trade Customers

EVA, the Emplas Virtual Assistant is a retail sales support package unlike any other. That’s because it draws on our own in-house direct retail expertise. Everything that we offer through EVA is tried and tested - so you only get what’s proven to work.

Available to all trade customers, EVA offers a complete marketing and sales support programme. Choose from direct mail campaigns to website builds and pay-per-click campaigns, just click on an option and we’ll do the rest!

EVA also allows you to manage your leads. See exactly what’s working and what isn’t. You can also select administrative support. We’ll cleanse leads, set up appointments and arrange follow-up calls.  


We're here to help you!

Contact our dedicated support team for assistance now

01933 674880

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