Clayton Glass has launched Triple28™, a new triple-glazed sealed unit engineered to deliver triple-glazing performance within a standard 28mm glazing profile, allowing installers to upgrade from double to triple glazing without changing window frames or glazing beads.
Triple glazing has traditionally required deeper profiles and significantly heavier units, limiting its compatibility with many existing window systems. Triple28™ has been developed to overcome those constraints, enabling installers to deliver the benefits of triple glazing within the standard 28mm window constructions widely used across the UK.
The new unit incorporates an advanced construction featuring a 100% glass monolithic core, meaning all three panes are fully recyclable while enabling Clayton Glass to achieve triple-glazing performance in a slimmer and lighter format than conventional triple-glazed units.
With a U-value of 0.8, Triple28™ is designed to deliver up to 90% greater thermal efficiency compared with standard double-glazed units, helping homeowners reduce heat loss while improving comfort and energy performance.
Despite its triple-glazed construction, the unit is only marginally heavier than a standard double-glazed unit, making it practical for installation within existing frames and suitable for retrofit upgrade projects where replacing the full window would traditionally be required.
A laminated version of Triple28™ is also available, offering improved acoustic performance and increased resistance to breakage for enhanced security.
The development of Triple28™ represents a significant investment by Clayton Glass in new glazing technology, aimed at helping installers offer homeowners a clear and tangible upgrade option beyond standard double glazing.
Ryan Green, Managing Director at Clayton Glass, said:
“Triple glazing has traditionally required deeper window systems and heavier units, which has limited its adoption in many installations.
Triple28™ has been developed to solve that challenge by delivering triple-glazing performance within a standard 28mm sealed unit. Installers can upgrade the glass without changing the frame or profile, making it a straightforward way to deliver higher thermal performance for homeowners.
It also gives installers a genuine additional product benefit to offer customers who want improved energy efficiency without the disruption and cost of replacing their existing windows.”
By enabling triple-glazing performance within standard 28mm systems, Triple28™ creates new opportunities for installers to provide higher-performance glazing upgrades while keeping installation straightforward.
For more information about Triple28™, visit:
www.claytonglass.co.uk/triple28
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