Hey buddy, did you do a waterproof job? It is to brush a layer of basic protection on the basic surface of the paint, and the outer layer is brushed again with waterproof and anti-oxidant paint. Will the wood be easily spoiled? I don't know what material you use and the quality standards of your country, but if you fix the facade, I suggest you do a waterproof reinforcement at the root of the wall to a height of 0.8m, the material is cheap, and you cement the outer wall of the cement Before covering the exposed surface, then do the final smoothing