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IS 14286:2019 is the Indian Standard (BIS) for unplasticized pvc doors and windows. IS 14286 covers UPVC doors and windows — increasingly popular in India for their weather resistance, thermal insulation, low maintenance, and noise reduction. Specifies profile quality, hardware, glazing, and performance testing for air, water, and wind resistance.
Specification for UPVC doors and windows covering profiles, dimensions, hardware, glazing, performance requirements, and testing.
UPVC: better insulation, no corrosion, low maintenance, no condensation. Aluminium (IS 1285): stronger for large spans, slimmer profiles, more colour options, recyclable. UPVC is preferred for residential; aluminium for commercial/high-rise.