G

GLASS EYES or GLASS WINDOWS
GLOSS

GRANULE

GRAVEL STOP



GLASS EYES, GLASS WINDOWS
: A thin, clear membrane that forms over elongated polyurethane foam cells. Glass eyes may break when coated, forming a PINHOLE. (See also PINHOLE.) 

GLOSS: The shine, sheen, or luster of a dried film. 

GRANULE: Size No. 11 ceramic aggregate embedded into wet coating over polyurethane foam for aesthetics, traction, and mechanical resistance. 

GRAVEL STOP: The roof edge treatment designed to retain gravel.