U Values
U Values indicate the rate of heat flow across a material – the lower the value, the better the insulation.
Single glazing has a typical U Value of 6 w/m²k.
Based on scientific evidence the Magneglaze secondary glazing system is able to achieve a U value of 2.28w/m²k.
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Help & advice
We’ve had over 20 years’ experience selling and installing magnetic secondary glazing and are more than happy to provide help and advice to anyone.