GLAS-GUARDProvides added strength in roofing repairs and construction.


GLAS-GUARD is constructed of pure glass fiber with a thread positioning coat of special organic coating designed for ROYAL GUARD Asphalt Roofing Products


The GLAS-GUARD saturant is a combination of synthetic resins and natural asphalt in the proper balance to give complete compatibility with all accepted waterproofing and coating compounds.


No cracking of the ROYAL GUARD coated GLAS-GUARD shall take place on bending over a 1/32″ Mandrel through an arc of 180 degrees in one direction and through 360 degreesover the same Mandrel in the opposite direction.