INDUSTRY QUALITY STANDARDS AND TOLERANCES
Any flaws that develop as a result of the manufacturing or handling process are inspected using the Glass Industry Standards. All ASTM documents are copyrighted and available for purchase at www.astm.org.
Inspection is made standing 5 feet from the surface. The glass inspection should be made in normal daylight without direct sunlight or low angles of sunlight such as sunset or sunrise.
DUAL SEAL INSULATED GLASS LIMITED WARRANTY
For a period of 10 years after the date of manufacture, warrants its dual seal insulating units not to develop material obstruction of vision, suck as dust or moisture on the internal glass surfaces caused by failure of the hermetic seal.