Cracked walls due to different materials are caused due to plaster closing the wall joints of brick with concrete or wood. Suppose on the door junction, frame, or ventilation. This causes plastering and cement to crack easily due to the movement of expansion and shrinkage of different materials properties. This type of crack is straight along the joint and is easy to recur even when it is repaired. Installation of air conditioning, exhaust fan wall that is less fit can also cause this. How to overcome this model crack is by contacting concrete crack repair . This way is quite effective to overcome the cracked walls due to the connection of different wall surfaces. Border walls and door of the living room is a place you should check the routine to avoid further fractures.
The cracked wall due to shrinkage occurs because the cement smelting is too fast on a blister that has not dried properly. So the plaster has not shrunk because the plaster is too thick in a single melting. The second thing is to crack due to shrinkage caused by high mud content on the sand in stucco. Therefore, the new cement is safely smelted at least two weeks after the plaster stop shrinking. The shape of this crack is like a thousand pieces of eggshell. How to overcome the cracked wall because of this problem is to melt the cement back. Use white cement mixed with two percent polymer. After drying, smooth with fine sandpaper. Then wait for about five days to dry. The new wall is ready to be painted with family favorite color.
Cracked walls with shapes of hair or tree roots occur because of a cement smelting that is too early before the plaster to stop shrink or dry properly. This also happens when cement sowing is done in hot and blustery weather. A crack like this is called a thousand cracks. How to overcome this thousand crack wall is to use a base coat or base paint to cover this crack. If the cracks appear larger then you need to do a new plastering smelting.