roof from multi-colored bituminous shingles. patterned bitumen shingles. ventilation on the roof.

atactic bitumen blue building chimney coating construction corrugation extractor fan flexible floor gable galvanized gofrolist hardness home lapping lathing materials metal ondulin overlapping pattern polymer polypropylene profiled profiling red roofing roofs rooftop scales shape shaped sheet shingles steel structurepacket style tile tiled tiles top trapezoidal turquoise undulating window windows work