Internal doors within properties come in various types and styles; for example, solid wood, fully glazed, half glazed and light weight hollow construction.
Mae mathau a steiliau amrywiol o ddrysau mewnol mewn eiddo; er enghraifft, drysau pren solet, rhai gwydr llawn, rhai hanner gwydr a rhai ysgafn sy'n wag oddi mewn iddynt.