General home decoration and ultimately, the production of a few pieces of wood products, and wood products is a semi-finished products, the pre-frame play no matter how good, and finally brush wood paint if there is a problem that has come to naught. You may wish to listen to the advice of several experienced construction team leaders on the construction of this detail.
White paint film appears
The reason for regret
1. The humidity of the material or the environment of the worker during construction is too high.
2. The paint and thinner are not evenly mixed before painting.
3. The brushing is too thick or the interval between two paint passes is not mastered.
Expert advice
1. If the wood or air is too humid, especially Huangmeitian, it is not suitable for construction. However, if necessary, you can add moisture-proof agents or quick-drying agents to the paint.
2. The curing agent should be prepared according to the proportion before painting, and add thinner according to the actual construction environment, and then stir evenly.
3. Workers should try their best to brush thin spots every time they paint, and wait until the previous paint has dried for at least 6 hours before coating the second layer. If the temperature is low, the recoating time should be appropriately extended.
Loss of finish
The reason for regret
1. The construction personnel did not apply the primer, or the primer and the inner layer of paint did not dry directly on the light paint. As a result, the light paint was absorbed by the wood and lost its luster.
2. If the paint is painted in a low temperature environment, the paint film may lose its luster after it has dried.
Expert advice
1. Construction personnel must not forget to apply primer; if problems have already occurred, they must be reworked. The wet and dry sandpaper can be used to remove the old paint, clean it, and then repaint it.
2. If the weather is too cold, construction can be suspended.
The paint dries too slowly
The reason for regret
1. The indoor ventilation is not good or the weather is too cold.
2. The surface of wood products is oily and has not been cleaned beforehand.
Expert advice
1. You can open all doors and windows to promote indoor ventilation, or think of ways to use the heater to increase the indoor temperature.
2. The paint remover should be removed with a chemical paint remover, and the grease should be removed by heating. The surface should be thoroughly cleaned and repainted.
Appeared peeling, peeling
The reason for regret
1. Construction personnel are too careless and do not have a primer.
2. The humidity of the plate is too high, reducing the adhesion of the coating.
3. The surface of the sheet is not treated cleanly, so that the adhesion of the coating is insufficient.
Expert advice
1. The constructor must follow the construction process and remember to brush the primer.
2. The moisture content of the wood should preferably not exceed 12%, and on-site personnel should also avoid water splashing on the wood.
3. It is necessary to thoroughly clean the surface before painting so as to ensure sufficient adhesion between the paint and the substrate.
Falling phenomenon
The reason for regret
1. The worker's brushing was too thick and the paint ran down.
2. Workers' uneven brushing may also cause falling.
Expert advice
1. The construction personnel should do their best to brush thin and brush evenly each time they brush.
2. If there is already a phenomenon of falling, if the paint does not dry, brush it off with a brush; if the paint has started to dry, it is necessary to wait until the paint is dry, then paint the paint and clean it again.
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