Palmer Mirro-Mastic® - 11 Oz. Cartridge (Black) is a high-performance adhesive designed for securely bonding plate glass and acrylic mirrors to a variety of substrates. Engineered to absorb vibrations and accommodate thermal expansion, it ensures a long-lasting and secure hold. This professional-grade mastic is also compatible with reinforced safety backing, making it ideal for both residential and commercial mirror installations. LEED V-4 compliant, it meets environmental standards while delivering exceptional bonding strength. For maximum reliability, Glaze recommends using mechanical fasteners in conjunction with mastic applications. Available in cases of 24 cartridges, this adhesive is a trusted solution for high-quality mirror installations.