Casement Windows Buying Guide. Casement-Style Windows They’re hinged on one side, and lets you open them outward. When fully open, casements allow good ventilation and easy cleaning. They’re usually more airtight than double-hung because when closed the sash locks tightly against the frame.
uPVC casement windows are our most popular choice in Wales. Each one is individually designed according to your specifications and manufactured by our team of skilled craftspeople in our UK factory…
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UPVC Casement Windows