About Us

For more than 10 years, Knock On glass has been New York City’s premier choice for custom glass and aluminum products. Our reputation for quality, service, and technical expertise is second to none. Our team of professionals can help you solve your glass requirements quickly, efficiently, and correctly – the first time! No job is too small.

At Knock On Glass our number one concern is customer satisfaction – both residential and commercial. We believe this can only be accomplished by providing superior service, quality products, and competitive pricing – all in a timely manner to meet customer needs.  We are committed to business integrity and honesty through hard work, organization, courtesy, and communication.  We believe that word-of-mouth advertising is the most effective kind.  We realize, however, that it only comes with customer satisfaction, and so our entire team works hard to exceed all customer expectations by providing unparalleled service and top quality products.

Knock On Glass offers a wide array of custom glass/mirror products and services in New York City. Our photographic portfolio includes numerous successful projects in New York City and beyond. Over the years, Knock On Glass became a prominent fabricator and installer of shower doors and enclosures, aluminum and frameless storefronts, glass railings, wall-to-wall mirrors, glass partitions, and many more custom glass projects. We pride ourselves in efficiency and the ability to perform smaller jobs such as glass table tops and shelves. Our testimonials page is reserved for countless New York City customers who have switched to Knock On Glass as their premier custom glass and mirror supplier. Whether it’s commercial conference rooms or residential home décor – we provide quality services at reasonable prices in New York City and all surrounding areas.

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