Roofing :: Roofing (n.) The act of covering with a roof.
Roofing :: Roofing (n.) The materials of which a roof is composed; materials for a roof.
Roofing :: Roofing (n.) Hence, the roof itself; figuratively, shelter..
Roofing :: Roofing (n.) The wedging, as of a horse or car, against the top of an underground passage..