This is the guide we wish every homeowner had before getting their first window quote. No jargon, no sales pressure — just what actually matters.
What is uPVC?
uPVC (un-plasticised polyvinyl chloride) is a rigid, weatherproof plastic used for window and door frames. Unlike wood it never rots or attracts termites; unlike aluminium it does not corrode or conduct heat. Quality uPVC is UV-stabilised so it does not yellow in Indian sun.
Understanding profiles and chambers
The “profile” is the frame’s cross-section. Inside are hollow chambers that trap air for insulation and add rigidity:
- 3-chamber — suits most homes.
- 5-chamber — better insulation and sound; ideal for high-rises and noisy roads.
Large windows also need galvanised steel reinforcement inside the profile. Always ask if it is included.
Glass options
Your frame is only as good as its glass. Common choices:
- Clear — basic transparency
- Toughened — safety glass, recommended for most panels
- Low-E / solar-control — heat reduction for sunny rooms
- Frosted — privacy for bathrooms and bedrooms
See our glass types guide for the full picture.
The installation process
- Site measurement (to the millimetre)
- Workshop fabrication — cutting, fusion-welding corners, steel, hardware
- Removal of old frame (for renovations)
- Levelling, anchoring and sealing the new frame
- Operation check and clean handover
Maintenance in ten minutes a year
Wipe frames with a damp cloth, keep the drainage holes clear, and lubricate rollers/hinges occasionally. That’s it — no painting, ever.
How to compare quotes fairly
Cheap quotes often hide thinner profiles, no steel, or ordinary (non-toughened) glass. Compare like for like: profile brand and chambers, glass type and thickness, reinforcement, hardware, warranty, and whether installation and a GST invoice are included.
Ready to talk specifics? Browse our uPVC range or get a free, itemised quote you can actually compare.