Proprietary Solutions

Since 1994, when we began designing proprietary hardware solutions for some of the nation’s premier window and door manufacturers, we’ve been leading the industry—engineering generation after generation of the most functional and attractive hardware on the market. When the biggest names in the business want custom hardware to help their products stand out among the competition, they come to us. With each new generation of products, INTERLOCK® solutions become more advanced and cost-effective for our clients.