Choosing between uPVC and Aluminium windows is one of the most critical decisions for homeowners and builders in Uttar Pradesh. This technical guide compares sound insulation, weather resistance against dust/monsoons, thermal performance in 45°C summers, and long-term maintenance costs.
uPVC profiles are natural acoustic insulators due to their multi-chamber internal hollow structure and non-conductive polymer composition. Combined with airtight EPDM compression gaskets, uPVC windows cut exterior road traffic and loudspeaker noise by up to 35-40 dB. While high-end Domal aluminium windows offer decent sound reduction, standard commercial aluminium frames allow sound transmission through the metal profile.
Aluminium is a highly conductive metal that transfers outside heat directly inside your room, increasing AC power consumption. In contrast, uPVC has very low thermal conductivity (similar to wood), keeping your rooms significantly cooler during intense North Indian summers.
| Feature Benchmark | uPVC Sliding Windows | Aluminium Sliding Windows |
|---|---|---|
| Thermal Conductivity | Extremely Low (Energy Saver) | High (Transfers Heat/Cold) |
| Sound Insulation | Up to 75% Noise Reduction | Moderate (40-50% Reduction) |
| Rust & Corrosion | 100% Rust & Corrosion Proof | Corrosion Resistant (Powder Coated) |
| Maintenance Required | Zero (Wash with damp cloth) | Periodic roller & track servicing |
| Average Lifespan | 30+ Years without Yellowing | 20-25 Years (Finish may oxidize) |
| Approx. Price (Sq. Ft.) | ₹380 - ₹580 (With Glass & Mesh) | ₹280 - ₹440 (With Glass) |
Sparsh Trading's uPVC window systems feature fusion-welded corners that create a seamless, 100% leak-proof perimeter frame. Integrated water drainage slots channel rainwater outwards, preventing water seepage into interior masonry even during heavy storms.
uPVC 3-track sliding windows with 6mm toughened glass are significantly better for roadside bedrooms due to superior noise damping and airtight sealing.
High-grade tropicalized uPVC with UV stabilizers (as manufactured by Sparsh Trading) will not yellow, warp, or crack under extreme sunlight.
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