Quality Glass Block and Window Company is an industry-leading wholesale, loose glass block supplier. Since 1976, we have worked with both homeowners and builders alike undertaking construction and remodeling projects. As a nationally respected glass block distributor with a massive inventory, we have the ability to service you on your large-scale commercial projects down to small resident jobs. As a vent manufacturer, we have the capabilities to produce multiple vent sizes to make sure your customized requirements are met for your needs.
100,000+ happy customers
Thinking about using Glass Block in your next construction project? Good! Glass Block is an incredibly versatile masonry unit with unlimited design potential.
From shower walls, to flooring, to exterior walls, to unique visual displays, you can utilize glass block in countless designs.
Privacy & Security
Glass Block is unique in that it lets in light, but it can obstruct the view from the outside. It is also harder to break through than a conventional window.
Glass Blocks act similarly to double-paned windows, providing insulation and extra lighting during the day.
Glass Blocks are resistant to sound, air leakages, water, fire, and vandalism.
Planning to use Glass Block in your next home renovation? Here's why you should buy from Quality Glass Block:
Looking for a reliable wholesale supplier of Glass Block and Windows with the best combination of quality products, pricing, and customer service available? Here's why you should choose Quality Glass Block:
We have no minimum order at Quality Glass Block. Order what you need.
In stock orders typically ship in 1-2 business days from time of order to ship.
All glass blocks are not load bearing. A lentil or header must be used in an opening to support the wall material above the glass block.
Actual size denotes the measurement of the block by itself where as nominal size denotes the block size with a ¼” mortar joint.
Imperial sizing is ¼” smaller than the nominal size listed. Metric size block are actually measured in millimeters and are usually smaller than the Imperial size blocks.