DM Lead Balance Sash Box Window

DM Lead Balance Sash Box Window


H 1200mm x W 800mm
Highly Energy Efficient Uw=1,2 W/m2K


Product Description

Unique features and advantages:

  • Overall Premium Quality – timeless elegance and sophisticated finish
  • Second to none finish, silicone & attention to detail
  • Timber – Softwood with a hardwood cill
  • Top quality, durability & performance – only engineered (laminated) wood used
  • High quality operating system of weights, cords and pulleys
  • Fully factory finished with 3 microporous coatings applied on an anti-rotting & anti-fungi primer.
  • Spray-painted using the best specialized paint available on the market typically to RAL 9003 (RAL Palette)
  • Excellent thermal & acoustic performance – double-glazing with Argon
  • Glass specification – Safety: 4mm/16Argon/4mm Toughened (ESG4) Low E with Warm Edge Spacer Bar; U-Value 1.1W/m²K
  • Achieving excellent U-Value for the whole window, much lower than the standard of 1.6W/m²K required by law
  • Secure anti-burglar solution & easy maintenance – internally glazed
  • ‘Secured by Design’ lockable heritage Fitch sash fastener
  • Ironmongery included – sash fasteners & sash lifts in Polished Chrome
  • Timber parting beads
  • Elegant glazing/Georgian bars
  • Fully weather-stripped – 3 different types of seals.
  • CE marked
  • FENSA compliant

Glass Specification:

  • Safety: 4mm/16Argon/4mm Toughened (ESG4) Low E with Warm Edge Spacer Bar
  • U-Value 1.1W/m²K

Traditional English DM Timber Sash Windows such as this one provide timeless elegance and sophisticated finish. DM Sash Box Windows are manufactured from the highest quality of timber and being constantly improved and innovated. Using classic design and solid craftsmanship, our manufacturers create bespoke vertical sliding sash windows to match the original design in order to retain the period character of the property. Each of our traditional windows is made to fit the original opening exactly. The unique weatherproofing overcomes the old problem of cold draughts associated with sliding sashes, thus maximizing heat retention and subsequently saving money for the homeowner.


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