Altra Glass offers the latest low sight line slimline double glazed units to replicate and enhance original single glazed windows in traditional and historic buildings.

Key Features

• Available from a sleek 11mm depth

• Slim sightlines replicate the look of single glazing

• Planitherm Low E Glass helps warm your home in the winter and cool your home in the summer

• Toughened glass available for enhanced security

• Cavities filled with Argon Gas (Krpyton available on request) for superior thermal and acoustic performance

• Low U-Values for energy efficiency

• Glass thickness varies based on your requirements, ranging from a slender 3mm for a 17mm rebate to a slightly deeper 4mm for new replica timber windows, maintaining an overall depth of 11mm or 12mm, respectively.