UPVC vs Aluminium Sliding Doors: Which One is Right for You? Planning to upgrade your home with sliding doors but unsure whether to choose UPVC or Aluminium? This detailed comparison breaks down everything you need to know about cost, size, warranty, thermal insulation, and top brands for both options. 1. Cost of UPVC Sliding Doors: • Chinese Brands: ₹450–500 per sq ft • Indian Brands (Mid-Level): ₹600–800 per sq ft • Indian Brands (Premium): ₹1100–1300 per sq ft 2. Cost of Aluminium Sliding Doo