Wall coating weatherbility and intercepting efficiency against chloride in above paper were discussed as following items. 1) Field survey : Data in the seashore/inland ; Weighting of deterioration. 2) Accelerated weathering test : Scale effect ; Handling of specimens in weather-o-meter ; Different specimens from field survey ; Applying the relation between outdoor and WOM test of wall coating to another materials. 3) Estimation of chloride penetration rate : Experimental constants differing from theoretical determination ; An assumption contradicting to experimental results ; Values of intercepting efficiency against chloride.
