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Saint Gobain Makes The Best Asphalt Shingles In The World. We Have Done A Large Number Of Projects In India. These Shingles Give Excellent Aesthetics To Sloping Roofs, No Condensation, Virtually No Maintenance And Long Time Of 25 Years And Above. saint Gobain Shingles Come Under The Brand Name Of Certainteed. Saint Gobain Has More Than 105 Years Experience In Manufacturing Asphalt Shingles.