Paint knowledge | what should be done to the interior wall of newly purchased commercial housing when making emulsion paint?

Core tips: A: we should do the following: 1 The newly-built concrete, triaxial soil and mortar walls are rich in inorganic salt and alkali, especially the use of lime in the construction process With the evaporation of water vapor, these salts and alkalis will migrate to the wall surface, even the coating surface, which will cause great damage to the coating Therefore, the new cement wall must be completely dried to the moisture content below 10%, pH value below 10 In summer, the new cement wall generally needs to be cured for more than 4 weeks, and in winter, it should be extended accordingly In general, the longer the drying time of the new cement wall, the better 2 Check the corner Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Paint Home News: answer: should do the following several aspects of processing: 1 The newly-built concrete, composite soil, mortar wall contains rich inorganic salt and alkali, especially the use of lime in the construction process With the evaporation of water vapor, these salts and alkalis will migrate to the wall surface, even the coating surface, which will cause great damage to the coating Therefore, the new cement wall must be completely dried to the moisture content below 10%, pH value below 10 In summer, the new cement wall generally needs to be cured for more than 4 weeks, and in winter, it should be extended accordingly In general, the longer the drying time of the new cement wall, the better 2 Check if there is any trace of water seepage or leakage at the corner, windowsill, toilet, near the outer wall and other places near the water source If there is any, apply anti leakage material, and apply oily wall sealing primer to avoid the damage caused by water leakage or leakage to the coating 3 Remove loose materials, dirt, etc on the surface to ensure the coating is firm 4 The uneven and small cracks on the wall surface shall be filled with putty or earth filling When the putty or earth filling contains strong alkaline substances such as cement, the curing time shall be extended to reach the pH value less than 10 and the moisture content less than 10% (it can also shorten the maintenance time by sprinkling water once a day in a week) paint house is dedicated to the news and information of coating, diatom mud, paint coating, coating process, fire retardant coating and coating, diatom mud, paint coating, coating process, decoration knowledge and decoration effect map of fire retardant coating,