Keeping you cooler in summer and warmer in winter

Celsius Performance Glass

celsius-oneCelsius One™

With its blue tint and enhanced abilities, Celsius One sets a new standard in performance glazing. 
Please note: Celsius One replaces our previous Celsius Blue product.

In keeping with our commitment to continued innovation, K2 has introduced a stunning new range of ‘coated’ smart glass that’s perfect for use in conservatory roofs. Glass that can help to keep homes cooler in summer and warmer in winter, whilst offering other benefits such as minimal maintenance, ease of cleaning and much more besides.

Download the Celsius One flyer pdf


celsius-eliteCelsius Elite™

With its blue tint and premium abilities, Celsius Elite is our ultimate performance glazing. Please note: Celsius Elite replaces our previous Celsius Plus product. Celsius Elite is the first performance roof glass on the market to achieve a U-value of 0.9

The ultimate performance glazing. Impressive technological features combined with a subtle blue tint in the glass helps ensure that unwanted glare is kept to a minimum allowing for all year round enjoyment of the conservatory. Other features mean heat from inside the home is reflected back into the property, whilst excessive solar heat is deflected away. Celsius is one of the few glazings on the market to offer this unique combination of heat reflection and thermal insulation.

Download the Celsius Elte flyer pdf

celsius-clearCelsius Clear™

Like mainstream Celsius One, Celsius Clear benefits from a special micro-coating, offering the temperature control and thermal efficiency benefits of advanced glass technology.

Offering 58% more solar reflection than standard glass with a 50% improvement in thermal efficiency, Celsius Clear helps to keep the room cooler during warm weather and to reduce energy consumption and heating bills during the winter – allowing the homeowner to benefit from all year round enjoyment from their conservatory.

This latest edition to the Celsius Performance Glass range has the ability to reflect approximately 3 times more solar energy than standard glass and provides over 50% thermal insulation, helping to dramatically reduce expensive heating bills.

Download the Celsius Clear flyer pdf

Click here to download the Celsius Glass PDF & Celsius Warranty PDF

Click here to visit Celsius Performance Glass

K2 Conservatories

Supalite Tiled Roofs

Spectra Conservatory Roofs

RAL Colours Available


The Celsius Range from K2 Glass, With its blue tint and performance abilities, Celsius is the original high performance glazing.

Click here to find out more about the market leading K2 conservatory.

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