Tongue-and-groove: This roof sheathing kind is characterised by two boards which have been joined jointly in a specific interlocking method. Considering that tongue-and-groove is manufactured from sound Wooden, it’s stronger but costlier than plywood. Traditional roofing however available today contains slate, more recent supplies that mimic it, and cedar shingles. https://finntydim.wonderkingwiki.com/797752/5_simple_techniques_for_roofing_company