Problems&Solutions

ADHERENCE: When the paint doesn’t adhere to the surface verifying cracks and unsticking
PROBABLE CAUSES
Poor preparation of the surface. The surface may be contaminated by grease and/or dust. A lack of primer promoting adherence. The use of inadequate products in the surface. Possible humidity infiltrations.

POSSIBLE REPAIRS
Remove all the paint from the surface. Sand and properly clean all surface, in order to paint adhere. Repair existing leaks. Apply the primer and a compatible paint. In surfaces where the adherence is difficult, such as galvanized, aluminium, or zinc, among others, apply an adherence primer and only then the final finishing.
ROLLER/PAINT BRUSH MARKS : The paint is not spread along the surface and there are several marks of the roller or paint brush.
PROBABLE CAUSES
Inappropriate dilution of the product. Roller or paint brush in bad shape or inappropriate. Use of paint thinners of quick evaporation. Incorrect pressure pulverizing through paint spray gun.

POSSIBLE REPAIRS
Sand all the surface. Dilute the paint correctly following the manufacturer’s instructions, by using the proper thinner. Adjust the paint spray gun pressure. Use the adequate roller to the type of paint that is going to be applied.
BLISTERING: Blistering paint is identified by small to medium sized bubbles or blisters under the paint film.
PROBABLE CAUSES
Inappropriate application, in the exterior, of interior reparation dough. Dust that was not previously removed. Repainting over a poor quality paint, in which the humidity of the new paint permeates in the old paint, causing bubbles. On the elastic membranes, when poorly used, or when there are water infiltrations in the wall, this problem is common to appear.

POSSIBLE REPAIRS
Scrape off existent repair dough and apply some new adequate dough to repair the surface in order to paint after drying. Sand all the surface to remove the old paint. Apply the adequate primer and apply the finishing. Sand only the affected areas, properly eliminating dust, apply an insulating and the finishing paint. Eliminate existing moisture and infiltration, repairing de cause of this problem. Allow to dry, sand, remove dust and finally proceed to paint.
GLOSS: The paint presents variations in gloss.
PROBABLE CAUSES
Bad homogenization of the product. Its application is not uniform.

POSSIBLE REPAIRS
Sand the entire surface and paint it again, taking into consideration the product should be stirred, before applying it.
ORANGE PEEL EFFECT: The surface of the finishing has the look and feel of an orange. It is a defect in the finish caused by improper paint spray gun application technique
PROBABLE CAUSES
Inappropriate paint dilution. Use of a thinner of quick evaporation (high volatility). Inadequate use of the needle/nozzle size based on the coating, insufficient air pressure/volume or wrong paint spray gun distance.

POSSIBLE REPAIRS
Sand the entire surface, repainting it again. Dilute, properly, the paint whit the adequate solvent or thinner. Adjust the paint spray gun pressure and paint at a proper distance.
CALCINATION: Stains appearing in the painted surface, which cause the destruction of the plastic paint or its erosion. When we pass our fingers, they remain white.
PROBABLE CAUSES
Lime and cement-coat alkalinity, which in the presence of certain humidity, reacts with the characteristic acidity of some paints. Exposed to bad weather, the paint also erodes. The same happens with the solar rays which can also erode the resin all over the time, causing this effect of calcination or grinding.

POSSIBLE REPAIRS
Scrape the damaged paint, sand and brush the surface in a way to eliminate all the released particles. Wash well using water, to totally eliminate the dust. Let it dry. Apply the adequate primer and the finishing paint.
COVERAGE: Low power of the paint coat. When applying a new paint over an old paint, after several coats of the new paint, the old one is still visible.
PROBABLE CAUSES
Excessive dilution of the paint. The old paint was a very strong color. Some products of certain colors demand several coats in paint. If the coats are insufficient, the paint coat will be weak. Lack of homogeneity of the paint.

POSSIBLE REPAIRS
Correctly follow the instructions provided by the paints manufacturer. Properly homogenize the paint before using it. Apply a pigmented primer before the paint application. Apply several coats of paint. Previously apply a white paint and only then, the desired color. Use the specified materials when applying the paint.
PEEL: The paint surface peels in some spots or by its whole.
PROBABLE CAUSES
Poor preparation of the surface before painting. The surface is contaminated with grease, lost particles, dust, among others. The paint was made when the surface was hot or when the surface had humidity.

POSSIBLE REPAIRS
It must be analysed carefully, in order to know which situation occurred in order to act properly correcting it.
EFFLORESCENCE: Whitish stains appearing over the surface.
PROBABLE CAUSES
Very common when the surface is poorly prepared, usually containing humidity.

POSSIBLE REPAIRS
Eliminate the possible humidity infiltrations. Let the surface dry well, sand and paint it.
CREASING: The appearance of the paint when drying is not smooth, but distorted.
PROBABLE CAUSES
Application of thick coats. Application of the paint over a hot surface.

POSSIBLE REPAIRS
Sand and clean the surface. Repaint in the ideal conditions.
DRAINING: The paint drains right after its application and the surface remains with an irregular coat.
PROBABLE CAUSES
Paint excessively diluted. Use of inadequate solvents. Application of a very thick paint layer. Application of the paint in very cold temperatures or in high humidity levels.

POSSIBLE REPAIRS
If the paint is still wet, use the roller in a uniform way. If the paint is already dry, sand the surface and paint it again. Dilute the paint using only the indicated thinners by the paint’s manufacturer. The paint must be applied in thin coats and the drying periods should be respected. Do not apply the paint in cold, warmer, windy or rainy days, or even with high air humidity.
FOAM: After painting the surface, foam emerges on the paint’s surface.
PROBABLE CAUSES
Paint excessively diluted.

POSSIBLE REPAIRS
Dilute correctly the paint, following the manufacturer’s indications.
BOILING: Micro craters are observed in the pellicle of the applied paint and above all the surface.
PROBABLE CAUSES
Application over a very hot surface. Use of high volatile solvents. Excessive thickness of the paint layer. Application of a coat over another without respecting the drying periods.

POSSIBLE REPAIRS
Sand all the surface, and paint again in a lower temperature. Dilute the paint using the appropriate thinner, respecting the drying periods between each coat.
FUNGOSITY: Dark stains (black) on the paint film. They are fungus and mould which appear when there is a hot humid climate (Example: in the bathroom or in the kitchen).
PROBABLE CAUSES
Humidity in the air. Small compartments with poor ventilation, or infiltrations.

POSSIBLE REPAIRS
If there are infiltrations, those must be repaired. Wash the surface using water and bleach, apply an antifungal treatment and let it act for at least 24 hours. Apply the primer and a proper paint in the area.
DRYING: When the paint layer takes too long to dry.
PROBABLE CAUSES
Very low room temperature. Very high air humidity. Bad homogenization of the paint. Existence of contaminant elements on the painted surface.

POSSIBLE REPAIRS
Paint only with an air humidity rate inferior to 85% and a temperature from 50C to 300C. Sand the surface and clean very well before painting. Homogenize the paint very well before applying it.
MICRO-CRACKING: Narrow and low deep cracks are observed in some areas of the surface.
PROBABLE CAUSES
Insufficient hydration of the lime before the plaster’s application. Deficient cure caused by the excess of heat or wind. Use of non-adequate or contaminated minerals. Movement of the structure and the absence of expansion joints.

POSSIBLE REPAIRS
In the interiors, open the cracks using a spatula, brush it eliminating all the dust. Apply adequate repair dough. Let it dry and sand it. Apply an adequate primer and do the finishing using the desired paint. In the exteriors, open the cracks using a spatula, brush eliminating dust. Apply adequate repair dough. Let it dry and sand it. Apply the adequate primer and paint using, preferably, a flexible paint, once this type of paint possesses a characteristic of accompany the cracks expansion, avoiding water infiltrations through the exterior.

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