Exterior wall waterproof with exterior wall coating to do

1, according to the actual situation, part of the original exterior wall coating waterproof cleaned up at the grass-roots level, especially the grass-roots damaged, loose to clean up, with solid foundation. 2. Waterproof coating on the surface of the grassroots clean, dust, grease and dirt, make waterproof material adhesion is strong. 3. At the grassroots clean processing, on the basis of water by 1: the proportion of 2 dilute organic silicon waterproof coating, and then mixed with cement made from cast, and a detailed processing of sand holes, honeycomb, cracks. 4. Repair the irregular crack, crack application of more than 2 mm filament non-woven fabric and special silicone exterior wall coating paste repair, prevent turtle crack expansion. 5. Strengthen the window around, eaves, embedded parts, wall at the bottom of the tube, and other important parts of the processing. 6. After being repair basic level processing dry, engineering parts should according to the standard silicone coating environmental protection special waterproof coating, used for external walls. 7, waterproof coating before construction should be mixed evenly. 8. Brush coating application method. Brushing direction and schedule should be consistent. Coating should be uniform and shall not be leakage. 9. In construction of mechanical spray, spray evenly, stubble in place, must not leak spray, make the surface smooth. 10. Clean up the site after the construction.