Everbuild mirror mate is a one part chemically curing solvent free sealant and adhesive combining the best qualities of silicone and polyurethane sealants evbmirror mirror mate sealant and adhesive is specifically designed for adhering most common mirrors to all common substrates without attacking the backing in addition this product has numerous other uses as a sealant and adhesive in and around the home and with its totally neutral cure adhesive system this will not attack mirror backings also