For retrofitting into both new and existing frames to bring windows up to Future Homes Standards.

PassivGlas™ Ultimate is an advanced fenestration technology that involves creating a highly insulating retrofit unit by enclosing a PassivGlas™ VIG with a thermally broken spacer bar airgap and the addition of a fully toughened glass.

Unlike traditional double-glazed windows, PassivGlas™ Ultimate use air alongside the VIG, to further minimize heat and acoustic transfer through the unit.

Features and benefits:

• PassivGlas™ Ultimate can be manufactured into unit thickness of 20 mm and upwards, to be utilized into existing frames, allowing endless retrofit possibilities.
• Offers reduced U-values to as low as 0.44 W/m²K, whilst maintaining up to 70% light transmittance.
• The minimum glass unit thickness available in PassivGlas™ Ultimate is 20 mm with a weight of 22.5 kg/m².
• PassivGlas™ Ultimate can be backed with various glass combinations, including obscure, self-clean, solar control etc., making it a flexible option for specifiers to meet their performance requirements.
• PassivGlas™ Ultimate Laminated can achieve an R_w: 41dB (UKAS accredited)
• PassivGlas™ Ultimate can be backed with various laminated products to comply with Building Regulations Part Q, Part O, Part E and Part L.
• PassivGlas™ Ultimate can be manufactured to house various magnetic or electronic internal blinds.
• PassivGlas™ Ultimate is an ideal solution when existing frames are in perfect working order but require an enhanced overall thermal and acoustic performance.
• Can be leaded to match existing or new designs.
• Can be fitted with Duplex spacer bar systems, where required.
• No evacuation port to impede view
• Appearance of a standard IGU but with Triple glazed performance.

Overall frame U-values as low as:

• Aluminium 0.8 W/m²K.
• Steel (thermally broken) 1.2 W/m²K .
• Timber 0.78 W/m²K.
• PVC-U 1.0 W/m²K.