Flexible, permanently-bonding synthetic rubber/resin specially formulated not to desilver electro-copper plated mirrors. Offers strong vertical hold and stays flexible, will not become brittle over time. Heat and steam resistant. Recommended for bonding electro-copper plated mirrors to wood, drywall, metal, painted surfaces, concrete, and primed or sealed plaster. 0 to 120° Fahrenheit service temperature. Not recommended for exterior use, acrylic mirrors, wallcovering, wallpaper, treated wood, or foam board. 10-minute work time, 60-percent strength in 24 hours. Cleanup with mineral spirits and adhesive remover. Use in 2 in to 3 in diameter globs for every sq. ft. Covers 30 lineal ft. using 1/4 in bead for 10 fl. oz.