Symptom:
Wall body craze has two kinds, sedimentation crack and chap, sedimentation because wall system structure sinks,cracking is of generation, because,chap is mortar, be bored with child intensity arises not quite.
Reason:
1.Metope heat-insulation layer has break, bring about craze of the metope after decorating.
2.Besmear is repaired to brush after metope opens slot undeserved, bring about metope systole occurrence crackle.
3.Of the cement when plasterer deserve to compare not accurate, deserve to compare tall easy craze.
4.Metope be bored with child blow foam inhomogenous
5.Of emulsioni paint and water deserve to compare improper, these operate above non-standardly to be able to bring about metope craze
Solve:
1.Scrape metope surface, show cement mortar or be bored with child layer, judge craze reason.
2.If be to sedimentation,crack, handle first sedimentation, chap can stick break with kraft.
3.If think the effect is better, use the means that hangs a net
4.Facing chooses to have the painting with adjustable better performance, for instance mortar
Key:
1.Mortar and be bored with child the material that must have chosen
2.Metope material also needs to choose to prevent craze
