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Wooden Box Cords & Weights Sash Windows

A traditionally operated timber sash window for conservation areas and new builds, which capture historical detail while providing modern acoustic and thermal performance. Lomax + Wood offer a complete service from site survey all the way through to installation. Ensuring your made-to-order wooden sash windows meet your requirements.

Widely specified by architects who are looking to create beautiful period properties but also need to meet current Building Regulations, along with the client’s requirement for a property that is draught free and insulated from the ever increasing noise pollution that effects our lives. 

Standard Specification

  • Traditional pre-stretched nylon cords & weights sash operation
  • FSC® Chain of Custody certified timber as standard
  • Pulley Covers to prevent draught
  • Factory double glazed 4/16/4 tough/tough lowe argon fill to meet Part L
  • Timber parting bead
  • Elegant 20mm wide ovolo glazing bar
  • Internally glazed providing a secure anti-burglar solution and easier maintenance
  • Glazing fully sealed with silicon both internally and externally
  • Engineered European Redwood with a hardwood cill
  • Polished Chrome sash catch, key locking sash catch and sash 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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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

Timber Sash Windows Ironmongery Options

Obscured Glass Options


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FSC CPA approved craftsman BM TRADA FENSA Best of Houzz 2017


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