Timber windows produced by members of the Wood Window Alliance are designed and manufactured using the best available techniques to produce performance-rated products.

These guidelines will help to ensure their installation lives up to their quality, performance, sustainability and looks.

Windows within the Wood Window Alliance scheme are delivered to site fully finished – coated, glazed and fitted with hardware in controlled factory conditions. Other windows may be available as joinery items supplied with a primer or stain base coat for site glazing and finishing. It is always advisable to choose factory-finished windows where possible.