Exterior wall coating long spot

Exterior wall coating plaque or weathering refers to when the water leak out of mortar or masonry buildings, will produce hard white salt substances. Long spots or weathering of exterior wall coating? Let's take a look at the top ten KeBao summarizes some methods of exterior wall coating brand fujian: exterior wall coating agents may cause: inadequate surface pretreatment, failed to remove the original surface weathering material; Too much moisture to escape from inside the stone wall. Steps on the solution of the exterior wall coating long spot: if too much water is the main reason, should by repairing the roof, clean pipes and drain pipe, and using high-quality water-based pure acrylic or silicon a crylic-acid joint sealant seal masonry crack to eliminate the source of water. If moisture from inside the building, especially in the kitchen, bathroom and laundry area, consider installing ventilation or exhaust fan. Using a wire brush, brush, or electric cleaning equipment to remove weathering material and all other loose material, then rinse thoroughly with water surface. After dry, apply on the high quality water based or solvent masonry sealing paint or primer, let it dry completely, then coated with high quality of exterior wall coating, building coating or elastic wall coating.