Daily stone is difficult to guarantee a certain color and purity during the installation process, but we can keep in mind three methods when installing the seal, which can guarantee the quality of the stone to a certain extent.
First, the air seam does not add sealant, and air convection is formed on the back side of the stone, and the water vapor is discharged to the outside to prevent the temperature difference on the stone surface from causing the inner surface of the stone to not condense water.
Second, the semi-seam sealing type is to maintain the outer façade in the position of no sealant. The façade has a good three-dimensional effect. In fact, the rubber layer is hidden inside the joint, but the thickness of the sealant should be about 6mm, but The width cannot be exceeded, and the width should be determined according to the quality of the glue. It should be consistent with the delineation of JGJ120 and JGJ133.
Third, with a neutral sealing silicone glue, it is a special glue for stone, the seam of the facade is completely sealed, the rain of the facade can not enter the back of the stone, so that the stone is in a dry state, except for rain and snow, ensuring The flexural strength and shear strength of the stone are unchanged. It is necessary to ensure that the stone does not freeze, is not alkalized, and ensures the permanentness of the project.
Finally, we need to pay attention to the fact that although the stone can't breathe like a human, it also needs to be "breathable". The stone is composed of various crystals, and the crystal is composed of various minerals. The crystals formed by these minerals The structure determines whether the type of stone is marble, limestone, or granite. The moisture inside the stone also needs to be evaporated to the outside through the gap.
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Label: stone installation tips, waterproof and sealing
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