For window frames specifically, how do uPVC and WPC compare? Here's an honest look.
For your home's windows, uPVC gives you sealed, low-maintenance frames that take double glazing and good locking — the practical choice for comfort and quiet.
WPC (wood-plastic composite) is a blend of wood fibre and plastic, used mainly for doors and some fittings. uPVC (unplasticised PVC) is the material used for window and door frames. Both are moisture-resistant alternatives to timber, but they suit different jobs.
For windows, uPVC is the established frame material — it takes glazing, sealing, and hardware designed around it. WPC has its place, especially for certain doors. We build windows in uPVC because that's what the application calls for; we're happy to advise honestly on where each fits.
For window frames, uPVC is the established material — it's designed to take glazing, sealing, and multi-point hardware. WPC is used mainly for doors. We build windows in uPVC because that's what the application calls for.
Wood-plastic composite — a blend of wood fibre and plastic, moisture-resistant and used mainly for doors and some fittings.
It's used mainly for doors; uPVC is the standard for window frames, taking glazing and hardware designed around it.
Related guides covering this topic from other angles — different products, applications, or contexts.
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