How to waterproof the outside of the wallboard?

First, high-rise wall waterproof mending leakage: The wall is a vertical building components, but due to design, construction, materials, use and other factors can cause wall cracking, leading to leakage.

Wall drain method: repair the original structure of the waterproof line structure waterproof, its function is to make the water dispersed.

When the cavity structure is partially destroyed, the use of restorative repair works well.

Repair with waterproof material: This method is suitable for a wide range of applications, ie, the use of oil-soluble or water-emulsion-type waterproof materials for caulking or brushing in the interior of rainwater.

Take waterproof measures on the outer side of the outer wall panel.

The method of water blocking inside the outer wall is to adopt waterproof measures on the inner side of the outer wall, and to block rainwater intrusion through waterproof materials.

Second, exterior wall architectural paint construction: new wall paint construction: the construction of the outer wall of the coating requires a sufficient period of conservation, the new water mortar concrete surface must be a reasonable curing time, so that 'spike alkali', fully dry . The surface of the bottom layer should be dry, solid, and firm, and there should be no defects such as sanding, cracks, and looseness.

Construction method: The exterior wall coating should not be used to scrape putty on large areas, and the putty layer should not be too thick. The material is made of polymer cement putty. Generally used once again primer, two times overcoat construction. According to the quality requirements of the project, the number of overcoatings can be increased. The painting construction is generally performed from top to bottom. Each time brushing should be bounded by a dividing line, a wall surface, a junction between the yin and yang corners, or a falling water pipe.

Operating tools: Roller, brush or air spray and airless spray are generally used.

Maintenance refurbishment: The use of paint to decorate the surface of a building, the biggest advantage is that it can be refurbished in a certain period of time, and the general maintenance of the building is generally done in 4-5 years. A comprehensive survey of the renovation of the external wall before construction, the development of a construction plan.

The above is the introduction of the outside of the wallboard waterproofing measures, the steps are very clear, it is not difficult to operate. Hope to help you.