Abstract
Here we verified effect of application direction of Silane Penetrant and water content of mortar on its surface protection ability. We studied various performances horizontal direction and a side as application deirection, moreover its for base mortar on bone-dry, air-dry and wet empirically. As a result, impregnation Depth on the side was confirmed became deeper its are apart from the lower part. On the other hand, dripping quantity become more as the approaching wet condition, but surface protection ability increased from the viewpoint of permeability.