19 non-metallic roofing products, namely, tarred and asphalted roofing papers, non-metallic roofing tiles, roofing membranes, non-metallic roofing panels, non-metallic roofing flashing, roofing felts, roofing hips, asphalt or bituminous roof coatings, bitumen-based or tar-based roofing sealants and roofing cement