Did you know the when specified in an exterior and water-exposed application, only REAL gold foil glass mosaic tile with an acrylic backing is appropriate?
"Fake gold foil" acrylic backed applications weigh the risk of eventually fading. Only real gold foil is resistant for potential erosion, and the moisture exposure. Contrary to popular belief, grout in not impervious or waterproof. Even Epoxy!
As the great Marvin Gaye once said, "Ain't nothing like the real thing baby."