How do you tell if your uPVC windows were fitted badly? Here are the signs.
Bad installation rarely announces itself on day one. It shows up over the following months as drafts, damp, stiffness, or gaps that weren't there before.
If you're seeing these, the window itself is often fine — it's the fitting. Worth knowing before anyone tells you the whole window needs replacing.
Drafts around the frame, water ingress or damp, stiff operation, visible gaps or uneven sealant, and frame movement — usually appearing months after fitting rather than immediately.
Often yes — if the window itself is sound, re-seating and re-sealing may resolve it. Worth knowing before someone sells you replacements.
A failed sealed unit — that's the glass unit rather than the fitting, and the unit needs replacing.
Related guides covering this topic from other angles — different products, applications, or contexts.
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