Various factors influence the definite quality of plaster work and the quality of procedure and your skills are just one of them. There are several other common causes of defects in plaster work. Improper curing of plaster will dry it out and possibly cause cracking. Using low-quality sand or wrong proportion with too much sand will, also, cause plaster cracking. While applying plaster, you should stick to background tightly and always leave the new layer to dry before you apply the next one to prevent defects. These are the most frequent reasons, and there are ways to avoid these mistakes, but if the defects occur nevertheless, it doesn’t have to be definite damage. Neither you have to peel it all off and do the whole procedure again. Here is just some useful advice on how to minimize the defects in plaster work and make it look smooth and quality.
Use free-salt water
Before you begin actual plastering, use water free from salts to water the surface you will plaster. This will enhance the attaching of plastering material and prevent the surface from sucking the water out of the plaster. Now, the concrete surface you are planning to plaster should be hacked properly to prevent peeling later on. There are two main methods for this. One refers to applying water and acid in several layers, waiting for a solution to make an effect and wash the acid off. Another method is spatter dash key. Either way, avoid excessive rubbing in an attempt to smoothen the surface.
One of the essential factors effecting the final result is the quality of bricks used for masonry work. Use high-quality bricks and let the professionals conduct the majority of the process. If you’ve failed to avoid efflorescence during plastering, use hydrochloric acid and sulphuric acid mixed with clean water. Apply it on the surface with efflorescence and use brushes to rub the defect thoroughly. Do not apply water afterward to clean it off. Apply layers of paint only after you have removed all the efflorescence.