Ultra-Thin Double-Glazing For Sash Windows

Pilkington Spacia™ offers the following benefits:

  • This extremely thin, energy-efficient glazing can be retrofitted into old-style timber sash and casement window frames.
  • Improves energy efficiency in historic buildings, reducing heating bills while conserving the appearance.
  • Unrivalled thermal performance equal to or better than that of most low-e double glazing but in the same thickness as single glazing.
  • Up to 6 times better thermal insulation than single glazing: 5.8 W/m²K  v 0.9 W/m²K***
  • Offers superb acoustic performance: 6 dB better than single glazing and 2 dB better than standard double glazing (a 6 dB reduction in sound has a perceived noise reduction of 34%).
  • Offers reduced levels of internal condensation compared to single glazing.
  • A proven solution: installed successfully in the UK, Ireland, Germany, the Netherlands and used in Japan for over 20 years.
  • Market-leading 15-year guarantee if purchased from ENERGLAZE or one of its approved installers.

*** A U-value is a measure of heat loss, the lower the value, the better the product is as an insulator.

Easily retrofitted into all timber sash window styles, including:

Typical 6 over 6 vertical sliding sash window

sash 6 over 6

Typical 2 over 2 vertical sliding sash window

sash 2 over 2

Typical 1 over 1 vertical sliding box sash window

sash 1 over 1

Download A Spacia Brochure

Spacia Brochure Download