Premodifier: metal
Head noun: roof

Same concepts
http://dbpedia.org/resource/Metal_roof

Narrower concepts

labelprovenanceconfidence
copperisap:4888734070.402287
aluminumisap:3813144250.368473
tinisap:2472815880.260642
screwisap:1974751470.244018
footisap:1659754510.212348
roofisap:1714813860.198439
hurricaneisap:1504718740.163463
buildingisap:3793354090.153992
tileisap:1709983000.153205