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Royal Building Supplies (Dura™) Shingles

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Royal Building Supplies is the manufacturer of Dura&trade Slate Shingles. These shingles are made using a patented process of recycled plastics and rubber which produces a shingle that resembles slate. The polymer shingles will not crack or split with freezing temperatures.

Royal Building Supplies also manufactures the Dura Slate Roofing system. Dura Slate shingles are available in 5 colors.


Royal Building Supplies, headquartered in Ontario, Canada, is a division of Royal Group Technologies Limited, a manufacturer of polymer-based home products. Royal Building shingles are sold primarily in North America.

Dura Shingles Warranty

Dura Slate Shingles carry a 50-year transferable limited warranty. The warranty covers replacement materials and labor for shingles damaged as a result of manufacturers' defects. The warranty offers lifetime hail protection. The shingles carry Class A and C fire resistance, Class 4 impact resistances, warranty against wind speeds of 70 mph. On some shingles, a 100-mph wind warranty is available. As always, you should inspect any warranty carefully to make sure you understand its terms.

Roof Repair

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Contacting Royal Building Supplies

Phone: 905-264-0701


Royal Group Technologies Limited
1 Royal Gate Blvd.
Woodbridge, Ontario
Canada L4L 8Z7