If you are planning new windows for your Bangalore home in 2026, you have almost certainly faced this question: “Should I go with uPVC or aluminium?”
Both are popular in Bangalore. Both look modern. Both are available everywhere. So how do you decide?
This guide gives you a straight, no-fluff answer — based on what we have seen across [FILL IN: X+] real projects in Bangalore. We compare both materials on every factor that matters: noise, heat, weather, maintenance, cost, and long-term value.
1. uPVC vs Aluminium — Full Comparison at a Glance (2026)
Here is the complete head-to-head before we go deep into each factor:
| Factor | uPVC Windows | Aluminium Windows | Winner |
|---|---|---|---|
| Initial Cost | ₹550 – ₹1,500 per sq ft | ₹700 – ₹1,800 per sq ft | uPVC ✔ |
| Lifespan | 25+ years | 20+ years | uPVC ✔ |
| Dust Resistance | Excellent — compression sealing | Moderate — frame joints collect dust | uPVC ✔ |
| Weatherproofing | Excellent — dual gaskets, tight sealing | Good — but joints can allow dust ingress | uPVC ✔ |
| Noise Reduction | Excellent — up to 40–45 dB | Moderate — 25–30 dB | uPVC ✔ |
| Termite / Corrosion | Fully termite-proof, zero corrosion | Corrosion-resistant if anodised, no termites | Tie |
| Aesthetics | Good — clean, modern, colour options | Excellent — slim profiles, premium look | Aluminium ✔ |
| Very Large Openings | Good — up to standard sizes | Excellent — handles very large spans | Aluminium ✔ |
| Heat Insulation | High — multi-chamber profile blocks heat | Low — aluminium conducts heat easily | uPVC ✔ |
| 10-Year Total Cost | Lowest | Medium | uPVC ✔ |
| Maintenance | Near zero — wipe clean, no repainting | Low — occasional cleaning | uPVC ✔ |
2. Noise Reduction — The #1 Concern for Bangalore Homeowners in 2026
Bangalore’s traffic, metro construction, and apartment density have made noise the top reason people upgrade their windows in 2026. This is where uPVC and aluminium differ the most.
How uPVC controls noise:
- Multi-chambered profile creates air pockets that absorb sound waves
- Dual compression gaskets seal every gap around the frame
- Optional double-glazed glass (4+12+4mm) adds a second sound barrier
- Result: noise reduction of 40–45 dB with double glazing
How aluminium handles noise:
- Aluminium is a conductive material — it transmits vibration rather than absorbing it
- Frame joints allow more sound penetration even with tight fitting
- Even with double glazing, aluminium frames achieve only 25–30 dB reduction