... years warranty 4.high-qulity classic roof hollow ridge tile high-qulity classic roof hollow ridge tile DESCRIPTION Namehigh ... and glazedWater absorption4-6%Compression strength1500NProduct characterhigh-qulity classic roof hollow ridge tile the raw materials are ... UK,Germany ,Bahrain,Turkey, Singapore,Philippines, Malaysia,Vietnam , Australia and HondurasPacking80pcs=1 sq.m=50kg. ,10sq.m.=1 case ...