Which master asked me how to deal with the leakage of rain, worry about me
Playing glass glue, with a little better quality.
Color steel sandwich panels: 1. Corrugated sandwich board may be in the fixed when the nail is too tight lead to corrugated subsidence, the formation of small puddles, it will leak, the solution with mildew copper phosphate repair. 2. Flat sandwich plate may be due to the possibility of two plates of the gap between the edge of the gap is not enough height, the general rain is no problem, the rainfall is large, the solution is to increase the height of the edge fold (the cost of repair each gap about 15 yuan about). Also do not understand can ask!
