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The problem is when dampness obtains in between the surface as well as the paint movie. The paint movie compromises when loss of gloss takes place.
Although, some level of liquid chalking is a regular, desirable means for a paint film to put on, excessive film erosion can result in hefty chalking. Reasons: (1) Use an indoor paint for outside application; (2) Use of an alkyd based paint (oil). Generally, alkyd based finishes will certainly chalk even more than their latex equivalents.
It relies on the visibility of salt and also dampness. The development of crystals will continue as long as both exist. The salts exist in the mortar blocks or concrete framework as well as the wetness is normally attributable to some structure issue. When originating from mortar in block or block buildings, efflorescence will certainly look like slim bands representing mortar joints.
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Description: Premature and/or excessive fading of the paint shade, which usually happens on exterior surfaces facing southern and also western exposures. This is relatively easy to see since concealed areas such as eaves will not normally discolor. Fading/poor shade retention can also be a result of liquid chalking of the finish. Causes: (1) Color styles will discolor slightly when revealed to extreme sunlight; (2) Use a transformed paint, bring about rapid deterioration (chalking) of the paint movie; (3) Use paint colors that are vulnerable to UV radiation, most significantly, lighter reds, yellows and oranges.
Tannin discoloration commonly accompanies "staining woods," such as redwood, cedar and also mahogany, or over painted knots in certain other timber types. Reasons: All timbers, however specifically red-colored timbers, have a water soluble dye called tannin. Tannin is not soluble in a lot of solvents. Application of latex overcoats directly to these red-colored timbers may create a red-colored discolor on the surface layer.