A clear explanation of how uPVC windows behave in fire and what that means for safety.
uPVC is classed as fire-retardant — it resists ignition, self-extinguishes, and doesn't propagate flame like timber. This is a quiet but real safety advantage of uPVC over wooden windows.
In practical home terms, choosing uPVC over timber means a frame material that doesn't help a fire spread. For code-driven fire ratings, specialised glazing systems exist and we can advise.
uPVC is fire-retardant — it resists ignition, self-extinguishes, and doesn't propagate flame like timber, which is a safety advantage over wooden windows.
No — it's self-extinguishing and doesn't support combustion, unlike timber. It resists rather than feeds fire.
Only for specific code requirements — tell us and we'll advise on suitable systems.
Related guides covering this topic from other angles — different products, applications, or contexts.
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