One, lacquer face is interstitial
Generation reason:
1, product quality closes nevertheless: Inferior emulsioni paint lacks flexibility and adherent power, with be bored with child the layer is stuck receive bad, bring about craze.
2, construction procedure operation is undeserved: Water of emulsioni paint add is overmuch, or Qi Wei doing begins to be brushed the 2nd times fully, not dry moisture is sealed to be inside, occurrence break.
3, the air temperature when construction is too low, the temperature becoming film of lacquer of short of metope, cannot form successive film, cause craze.
Rectify and reform a proposal: Drop crackle burnish with fine sand paper, choose the emulsioni paint with same color, recoat is brushed.
The attention answers in construction process, choose the wall paint with good quality, in construction allocate strictly according to manufacturer specification, avoid add water overmuch, after before one Qi Gan is appeared, brush the 2nd times again. Notice construction temperature is in 10 ℃ above.
2, be bored with child the layer is interstitial
Generation reason:
1, be bored with child the layer deserves to compare undeserved daub not divide evenly, or heavy panel or too thin, the strength when adherent metope is differ, brought about metope craze.
2, be bored with child not completely dry brush paint, inside metope local delamination, bring about craze.
Rectify and reform a proposal: Can handle break cut with the tool first, fill embed seam gesso and burnish make level, hang reseau cloth, reoccupy be bored with child make level, brush paint according to normal working procedure finally.
The attention answers in construction process, good foundation work is done before plaster, the paster that hang a net cannot oversight, the proposal chooses finished product be bored with child and daub is even, be bored with child dry paint is brushed again after appearing.
3, mortar layer is interstitial
Generation reason: Cement mortar layer calls plasterer the layer again, it is normal to have normal craze and blame craze two kinds.
1, because normal systole causes cement mortar,normal craze basically is.
2, as a result of,be not normal craze basically is mortar material or construction craft is undeserved cause, because construction company reduces the dosage of cement,be normally, the scale of cement and yellow sand is incorrect, the result causes craze of cement mortar layer. Normal craze avoids very hard, but be not normal craze to want to notice to avoid.
Rectify and reform a proposal: Repair this kind of break, should first be bored with child the layer is eradicated, show the break of mortar layer, hang steel wire next.
If mortar layer occurrence bedding face accumulates empty beat, want knock off original mortar layer, hang steel wire and do the plasterer layer of water silt oar newly again, make level hind brushs paint by normal working procedure again.
Test house wants before decorating, if have large area,empty beat wants to let develop business to be solved first. Or the mortar layer that former available beat shovels by slimy labour when decorating, hang steel wire.
4, wall body is interstitial
Generation reason: Body of former room wall sedimentations because of foundation inhomogenous, temperature changes to wait for a reason greatly, or it is structural wall and wall of bricky build by laying bricks or stones between adjustable seam outspread to wall substance appearance, generation is interstitial.
Rectify and reform a proposal: This kind of craze is common decorate cannot repair, must look for major to build structural personnel foundation actual condition, take corresponding step. The need when maintenance eradicates basic level entirely, clear wall body break come out, in taking crack with fill of epoxy resin inject next, till aperture by cram. Steel wire is hanged in the surface of aperture, again powdery cement mortar does consolidate processing. After doing the work in front, approve again blow be bored with child the lacquer that make a wall.
Control house of Fang Qianxian test, wall body break attributes building quality problem, must ask to develop the reload after business is solved first to repair.
5, plasterboard juncture is in break
Generation reason: Basically happen in plasterboard partition and former wall to have sex place. Go up as a result of the heat of plasterboard and cement wall body cold shrink function is abhorrent bring about craze, it is vertical lap seam commonly or the level is seamed.
Rectify and reform a proposal: The be bored with that shovels interstitial place child layer, kraft is stuck in juncture place or hang fiber network, new pink be bored with child.
The attention answers in construction process, when carpentry installs plasterboard, in wall and plasterboard have sex place, toward the groove that 2 centimeter open in wall body, the defect when plasterboard is installed enters groove inside, after installation ends, in the period of the day from 11 pm to 1 am that blow be bored with, have sex place stick reseau cloth or kraft, reentry blows be bored with all right child construction.
6, new old fence hands over place craze
Generation reason: Because exterior shake or the humidity of body of new old fence is different, new fence bulk can appear tiny systole, or material pledges different heat bilges cold shrink extent is abhorrent, have sex place can have flaw.
Rectify and reform a proposal: Bigger break should shovel original be bored with child with mortar layer, hang steel wire and blow mortar newly again, blow be bored with child.
Smaller break should shovel original be bored with child layer, hang reseau cloth and blow be bored with newly again child.
Wall of integral new step should notice correct construction:
1, the layer of old wall cement that is in juncture is destroyed, form a groove.
2, the reinforcing steel bar that help a tie is buried beforehand when new fence of build by laying bricks or stones, new old fence join rises;
3, when cement whitewash a wall, position of juncture of new old fence hangs steel wire. New step wall cannot be inside a day one-time step is good, do humidity to avoid new fence and old wall lopsided, new fence should divide second build by laying bricks or stones. After suggesting new fence step is good, passed to maintain period not rapid move blows gesso and be bored with child, let naked wall as far as possible long air, cent letting water evaporates more as far as possible.
4, blow be bored with by normal step child brush paint.
