How does maintenance compare between uPVC and wooden windows? This is where the gap is widest.
Timber windows look beautiful and have real character, but wood absorbs moisture — so it swells, warps, and eventually rots. It also needs regular painting or sealing to hold off that decay, and termites will target it.
uPVC absorbs almost no water, so it won't swell, warp, or rot. It needs no painting, and termites have no interest in it.
This is the least close comparison of them all. Timber asks for painting, sealing, and treating for as long as you own it. uPVC asks for a wipe now and then. Over twenty years that difference is enormous.
Repainting every few years, plus sealing, rot treatment, and termite protection — for as long as you own them.
A wipe with mild soapy water, clear tracks and drainage, and occasional light hardware lubrication. Nothing else, ever.
Over twenty years, yes — it's the least close of all the comparisons.
Related guides covering this topic from other angles — different products, applications, or contexts.
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