If you need to bear a certain force, you must use the stone dry hanging glue, it is used for structural assembly, if you just play a sealing role, then use ordinary silicone stone weatherproof sealant, generally speaking, this kind of sealant requires neutral curing, high elasticity, medium modulus, Silicone sealant designed for various stone assembly, stone curtain wall and other weather sealing and manufacturing. No corrosion and no pollution to porous building materials such as granite and marble. Excellent weathering resistance.