Assertion: shingle roofing | /r/MadeOf | fiberglas
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Source sentences:
text: In the Southwestern United States and in Florida, as well as Spain, Mexico and Greece, terra cotta and white tile roofing cover much of the housing landscape, but in most parts of the West, shingle roofing made of asphalt and fiberglass is still most common [source: InterNACHI]. These shingles are thin, flat rectangles that cover a roof in layers, with overlap areas to prevent any gaps.