Mar 6, 2015 / Concrete pad #11 Egon Epic Contributor Joined Aug 14, 2001 Messages 22,507 Location Nova Scotia, Canada It has to be coarse enough so capillary action can't happen. The capillary action usually happens in silts. If enough of these are present in gravel it may wick.
It has to be coarse enough so capillary action can't happen. The capillary action usually happens in silts. If enough of these are present in gravel it may wick.