Sash box timber windows

Please check our Technical info or contact us to find out more about timber we use, glazing methods, spray paint process and hardware we use

Spiral balanced sash windows

Suitable for new-builds, commercial projects or smaller structural openings:

  • Made of softwood-engineered Redwood, external cills made of Hardwood
  • Spray paint finish, fully decorated in TEKNOS SYSTEM 
  • 24mm double glazed units (4mm glass/16mm Cavity with Argon gas/4mm glass)
  • 150mm box frame section
  • Standard trickle vents
  • Plant on cross bars if required
  • Standard range ironmongery included

Traditional weights operated sash box windows

  • most popular product suitable for most types of projects: conservation areas and Existing Buildings window replacement
  • Made of softwood-engineering Redwood or engineered Hardwood – Meranti, Sapele
    Spray paint finish, fully decorated in TEKNOS SYSTEM 
  • 24mm double glazed units (4mm glass/16mm Cavity with Argon gas/4mm glass)
  • 150mm box frame section
  • Standard or hidden trickle vents
  • Plant on cross bars if required
  • Standard range ironmongery included

Slim Sash Box windows operated on weights

  • usually required in Listed Building, Historic areas
  • Made of engineered Hardwood – Meranti, Sapele
  • Spray paint finish, fully decorated in TEKNOS SYSTEM 
  • 12-16mm slim double glazed units (4mm glass/4-8mm Cavity with Krypton gas/4mm glass), new stained glass or retaining existing glass if required
  • 135mm box frame section
  • Hidden trickle vents if required
  • Structural cross bars if required, putty glazed if required
  • Heritage range ironmongery

We specialise in made to measure, bespoke timber sash box windows, from: no obligation survey, and quote, technical advice and drawings, to beautifully manufactured new windows that offer required by British Standards U value and energy efficiency.

Timeless Craftsmanship in Timber Windows and Doors

office@estimus.co.uk 0203 794 5195 0779 926 0185

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