Tempted to fit uPVC windows yourself? Here's an honest look at professional vs DIY installation.
uPVC windows are made to fine tolerances, and their performance depends on being seated true and sealed properly — which is hard to get right without the tools and experience. A poorly fitted window undoes the quality of a good one.
It's not advisable — performance depends on seating true and sealing properly, which is hard without the tools and experience. Poor fitting undoes a good window.
Leaks, drafts, stiff operation, and poor sealing — plus you lose the accountability a professional fit provides.
For correct seating, proper sealing, tested hardware, and accountability if anything needs adjusting.
Related guides covering this topic from other angles — different products, applications, or contexts.
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