We can offer a wide range of sealed units with options to achieve energy ratings A, B or C with all our window systems. We combine the world famous Planitherm low energy glass with warm edge spacer bar, and argon gas as standard. All our windows are supplied with the correct energy performance certificate documenting the supply date, reference and job number to give your customer peace of mind. Our glass buying power means you can save money by getting frames and glass from one place – one delivery, one invoice and one point of contact. Lead, sandblasting, bevels, Georgian bar and bespoke designs are all available too.

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Celsius performance glass is part of the global glass range from Synseal.