Originally founded in Finland almost 30 years ago, Cover Glass has been a pioneer in the Doors and Windows industry, with representation in over 25 countries worldwide. 

Cover Glass USA frame-less sliding glass door systems have been available in the states since early 2007, and have since installed over 2,000 of our Frameless Sliding Glass Door Systems.

We are fully approved by the National Certified Testing Laboratories, and are Title 24 compliant.  We only use the latest generation of Low-E glass that has been tempered and laminated, with polished edges.