Red brick wall if there is a whitish alkali, treatment:

1, if it is just built a good red brick wall, you can keep watering on the wall, to water for a while, you will be able to wash out the alkali on the wall. Rinse with water once a day, after a period of time will be good. Next, a layer of plaster or a layer of cement, and then there is no need to deal with it again.

2, if it is a period of time before the alkali problem, you can choose to use the concrete pad layer, this is a kind of impermeable material, that is to say, can give the wall to add a moisture-proof layer, to avoid the erosion of moisture on the wall. When designing, the moisture barrier should be higher than the outdoor ground, in order to effectively prevent rain when it rains, the rain will get the wall wet.

3, if the wall has been brushed with waterproof coating, do not brush this material, because it will have a chemical reaction with the waterproof coating, which will destroy the waterproof layer, can not play any moisture effect.

4, to do the protective layer, the first need to keep the wall dry, first through the wind, ventilation, wait until the wall is dry, and then use a brush to brush the cement mortar, and then brush on this waterproofing material can be.

Red brick wall whitening alkali causes

If you find that the red brick wall appeared whitening point problem, manifested in the surface like growing white hairs, presenting a white frost, and at the same time there will be a problem of slagging, it is a kind of alkali phenomenon. Mainly because the interior is relatively humid, the surface has a certain amount of moisture, moisture-proof measures are not done well.

The rainy season, it is easy to be affected by the moisture, the substances inside and water have a chemical reaction, it is easy to grow alkali on the wall, only to show a white piece.