K.N. Crowder specializes in manufacturing; Sliding Door Hardware, Weatherstrip, Thresholds, Stair Nosing, Automatic Door Bottoms, Foot Grilles, Floor Mats and Louvers. The family owned and operated Canadian company has been in business for over 65 years creating top of the line products that are safe for the family, user friendly, and beautifully designed. K.N. Crowder builds its products to last, whether it is the long Canadian winters or the salty southern air, the aluminum extrusions live up to their legacy across the globe.