The document describes several products for providing easy access through doors while preventing drafts: CDX is a low profile aluminum threshold with a nitrile rubber seal that provides wheelchair access for buildings like hotels and schools. It comes in several sizes from 3 to 7 feet. Heavy duty brush seals come in 26mm width to seal gaps from 5mm to 15mm and can be used on doors like sliding, folding, hinged, and garage doors. Rain deflectors and locking keeps are also described to complete the door sealing system.