Slate Roofing: Engineered slate

Reviewed by:
Rosemary Thornton
Royal Slate shingles are an engineered product designed to look like slate, but without chipping or fading. The shingles are made of marble dust and polyester resins.

The color choices of red, purple, green, gray or black are created with natural crushed stone. The product comes with a 50-year transferable warranty.

A square (10' x 10' section) weighs 1,646 pounds and requires a roof slope of 4/12 or greater with a substrate of 5/8ths solid wood.

Each shingle comes with two predrilled holes and can be cut, drilled or sawn with standard roofing tools.

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