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.
Key Values
Profile wall thickness min2.5mm (outer walls)
Air permeabilityClass A1-A4
Water tightnessClass E1-E7
Practical Notes
! UPVC windows provide 20-30% better thermal insulation than aluminium — reduces AC energy consumption.
! Profile wall thickness must be minimum 2.5mm for structural integrity — reject thin-walled profiles.
! Multi-chamber profiles provide better insulation than single-chamber.
! UPVC does not corrode, rot, or need painting — ideal for coastal and high-humidity areas.
! UV stabilizers in quality UPVC prevent yellowing for 20+ years. Low-quality UPVC yellows in 3-5 years.