two sides of which come into contact with the
house, against the clab boards in two sections. After a couple of thunderstorms we
realized that the grading was totally off,
due to settling or just a bad patio job to begin with. Water was flowing in the direction of the house, apparently working its way down to the foundation and pouring into the crawl space under a section of the house.
We are regrading the patio at the moment, so the water flows away from the house and foundation. We noticed that there is a foam like substance (about 3/4 inch wide) that was installed between the house and where the patio begins. Presumably this was to
create a water proof seal. What should we
do with this foam seal material as we regrade? While sloping the patio will help,
I want a backup system here. So what should be done about the inch or so space in between the brick and the house. Should we place more foam down (touching up what is already there) or use a flashing of