A traditional, tried and tested heavy duty framing system, designed in the 1950s, W20 windows may be used in all types of building where strong, durable frames, efficient opening casements and hard wearing fittings are required.
Double glazed up to 16mm, W20 windows are suitable for refurbishment projects, where the original fenestration is to be maintained and windows may be manufactured to fit existing apertures.
Available with PAS 24.
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