Eco-Lite slim line double glazed units


Details are paramount when retaining a buildings’ established appearance so at 1st Sash Windows we pride ourselves in offering glass solutions that accentuate the beauty of period properties yet attaining modern features that eradicate problems caused by old windows.

Eco-Lite Slim Plus is available in a range of finishes perfect for renovating or the restoration of period properties. Each option offers a reduced sightline and are manufactured as a traditional hermetically sealed unit.

Annealed
Glass Type Available Thickness (available in hardcoat or softcoat)
Float 4mm LOW E / 3mm4mm LOW E / 4mm
Patterned 4mm LOW E / 4mm
Antique 4mm LOW E / 3mm
Cylinder Glass 4mm LOW E / 3mm

Toughened
Glass Type Available Thickness (available in hardcoat or softcoat)
Float 4mm LOW E / 4mm
Patterned 4mm LOW E / 4mm
Low Iron 4mm LOW E / 4mm

  Eco-Lite Slim Plus Eco-Lite Slim Standard
Sight Line 5.5mm 8mm
Spacer Type 4mm Black or White Warm Edge 4mm & 6mm Aluminium
Thickness Standard 11mm – 12mm 11mm – 12mm
‘U’ Value (W/m2k) è  1.5 – 1.9** è  1.5 – 1.9*
‘U’ Value (6mm cavity) N/A è  1.0 – 1.5
Warranty 5 Years 5 Years
Minimum Area Charge 0.3 0.3
Maximum Size (4mm) 500mm x 1000mm 500mm x 1000mm
Maximum Size (6mm) N/A 600mm x 1800mm
Gas Type Krypton or Xenon or Mixed Krypton or Xenon or Mixed
Glazing Compounds Putty*/Silicone* Putty*/Silicone*

*Subject to manufacturers confirmation
**Subject to gas type