Residential Vinyl Windows and Patio Doors

Window Hardware

From inventing the first automatic sash lock system for vinyl windows to creating the only magnetically triggered sash lock on the market, Interlock USA had pioneered the development of sliding and hung window solutions in North America.

Casement and awning window solutions are some of the most advanced hardware products available on the market today.  From aesthetic covers and stainless steel operators to revolutionary new locking systems, these solutions are engineered to optimize security, ease of operation and flexibility through their innovative features.

With a wide variety of solutions for single and multi-panel applications, the Interlock sliding door product line features an unparalleled selection of handle styles, smartly engineered locking solutions and the most versatile hardware available.

Interlock