For a quarter of a century, Dealers and Distributors have relied on The Glass Block Supply Company to support all of their Glass Block needs. From loose materials to pre-fabricated windows, you can count on us to have what you are looking for.
Exceeding customer expectations with premium Glass Block products selection, quality craftsmanship, and knowledgeable support staff.
The largest supplier of Pittsburgh Corning Glass Block products and accessories. You will find a fully-stocked warehouse of Glass Block sizes and styles, and complete line of accessories to meet your customers' needs.
Exclusive Clear Choice® windows bring more light and lasting beauty to any glass block application. Our prefabricated, mortar-less glass block window systems offer premium features that practically sell themselves. Clear Choice® is the #1 Glass Block window system preferred by resellers.