You asked about *UPVC sheds* earlier - here’s the key info again, tightened up for quick reference:
*UPVC Shed = Steel Frame + UPVC Sheet Roof/Walls*
The structure is still MS/PEB. Only the cladding changes to *2mm–3mm UPVC corrugated sheets* instead of GI/metal sheets.
*Why Choose UPVC Over GI Sheet*
- *Zero rust*: Best for chemical plants, poultry farms, fertilizer storage, coastal areas. GI sheets corrode in 3–5 years here.
- *Cooler*: UPVC insulates 3x better. Shed stays 4–6°C cooler than metal.
- *No noise*: Rain noise drops ∼60% vs GI. Good for offices/farmhouses.
- *Chemical proof*: No reaction to acids, alkalis, salt, ammonia.
- *Zero maintenance*: Color is throughout sheet. No painting ever.
*Trade-offs*
- *Costlier*: ₹110–₹160/sq ft for sheet vs ₹55–₹85 for GI. Total shed ∼20–25% more.
- *Less strength*: Can’t walk on roof. No heavy loads/solar without extra purlins.
- *Heat limit*: Deforms above 80°C. Not for furnace/welding sheds.
- *Needs closer purlins*: 1.0–1.2m c/c vs 1.5m for GI, because sheet is flexible.
