House construction outer wall leakage reason analysis and processing

The outer wall leakage reason are very many,has the design fault,the selection not after,the construction craft standard,the detail procedure not earnest,the payment use do not repair do not work as,natural environment condition factors and so on influence.Becomes the puzzle developer(owner),construction headache quality common failing.Unifies myself in recent years work experience to induce the outer wall leakage reason to propose several analyses and the processing opinion.