This question comes from Anne in Essex.
Question. We are building a new home at the moment and I really want wooden sliding sash windows. Unfortunately, my husband grew up in an old farmhouse and his experience of sash windows is of whistling drafts and frozen condensation on winter’s mornings. Surely this is not still the case?
Answer. I know exactly what he means, my grandmother’s house was the very same. Getting out of bed on a winter morning was painful. Thankfully sash window construction has been transformed since then with the addition of double glazing and extensive draft seals and brushes.
Sliding sash windows can now achieve U-Values as low as 1.4W/m2K which is well within building regulations, and is a massive improvement on older single glazed windows.
A Kingsbridge sash window also holds an air permeability certificate which states it meets the requirements of Category 3, 600Pa. This means it will withstand winds of 71mph.
So, if you chose the right supplier you will have no ‘whistling drafts and frozen condensation’. I trust these factors will put your husband at ease.
David
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