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Spring Balance Sash Window

The spring balanced sash window, offers a more economical solution and is often used in new builds where a flush reveal has been detailed by the architect. Factory double glazed as standard, fully weather-stripped and supplied factory finished to site. We offer you the option of a supply and fit service to ensure there is only one point of contact.

Developers regularly incorporate spring balanced sash windows where the build costs need to be competitive but the end result still needs to be historically accurate and pleasing to the eye.


Standard Specification

  • Spring balanced sash operation
  • Factory double glazed 4/16/4 tough/tough lowe argon fill to meet Part L
  • FSC® Chain of Custody certified timber as standard
  • Timber parting bead
  • Elegant 20mm wide ovolo glazing bar
  • Internally glazed providing a secure anti-burglar solution and easier maintenance
  • Engineered European Redwood with a hardwood cill
  • Polished Chrome key locking sash catch and lifts
  • 1.1 W/m2K whole window U Value
  • Self-engaging top sash locks and restrictors in polished chrome
  • Fully weather-stripped for thermal and acoustic performance
  • 3 coat white factory finished spray applied micro-porous paint RAL 9010
  • CE Marked EN 14351-1+A1:2010
  • Performance tested BS3675 Parts 1,2 and 3
  • Security Tested PAS24:2012
  • Please speak to us to discuss alternative options
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General Options

Our timber windows and doors are made-to-order so please contact us to discuss any option that you require.

  • Factory double glazed 4/14/6 tough/laminated lowe argon fill to meet Part L
  • Hardwood Sapele
  • Engineered Larch or Oak
  • RAL Colour of your choice
  • Stained or a dual finish

Acoustic Upgrade

With today’s increase in sound pollution we can offer a standard solution or made-to-order depending on your requirements. Please contact us for further details and to discuss your acoustic timber window requirements.

  • Additional acoustic seals depending on product.
  • 33.1 PPVB Silence laminated glass for standard acoustic upgrade.
  • Made-to-order option available with testing and certification.
  • Tested to BS EN ISO 10140-2:2010

Ironmongery

Obscured Glass

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