K.N. Crowder is one of the leading manufacturers of sliding door track and hardware in Canada, producing a diverse product li ... ne including; Sliding Door Hardware, Barn Door Track, our patented Catch’N’Close Closing Systems, Weatherstripping, Thresholds, Stair Nosings, Automatic Door Bottoms, Foot Grilles, and Louvers. The family owned and operated Canadian company has been in business for over 70 years, creating top of the line products that are safe, user-friendly, and beautifully designed. read more