The corridor wall outside the bathroom has mold, shovel the wall paint and redo the bathroom waterpr

The problem of crystallization is that the basic raw material of the building wall is too alkaline. Professional preparation treatment is required!

As a result of the dampness and alkali of the wall, first remove all the original, offer waterproof mortar, and then brush the waterproof agent as transparent as water (it seems to be called crystalline silicon) to brush the glue, and then treat it normally.

The residual water in the wall should be left in 1-2 months before the wall is completely dry before doing other processes.

Well, it's the reason why it's more alkaline!

That's because the waterproofing of the ground is not done, and there may be because of the leakage of the water pipe, the treatment method, the first step is to knock off the front of the long hair with the stucco layer, and then do a good job of waterproofing in the wall, and then use waterproof materials (plugging the king of this product is good) plus mortar to stir and repair the wall, if there will be that situation in three days, then smash the bathroom floor bricks to re-check whether the water pipe is leaking, and then re-do waterproofing on the bathroom floor

Now there are a variety of paint varieties on the market, businesses are full of gimmicks, everyone should be careful, otherwise they will be slaughtered and laugh Xixi, Suggested brands Nippon, Dulux, China Resources 、、、 generally brush the exterior wall with paint will be more, and the interior wall and bedroom decoration wallpaper may be better, good quality wallpaper is very environmentally friendly, Ruibao, Magnolia and other brands of wallpaper is not bad, you can go to the local building materials market to go around.

That is cement mortar anti-alkali, the first to wait for the mortar wall to dry, dilute it with a little water with a real good 801 glue, roll it twice with a roller, so that there is a layer of glue film on the wall, which is called sealing. Wait for the glue to dry and then scrape the putty and brush Nippon, and it will be fine.