Definitely a bad construction detail - definitely does not agree with any code or common sense and could be a bad design if the landscaper actually followed the plans. If he did not follow the plans, it is the landscaper's problem.
Coating are just a temporary patch at best if the surface is prepared properly. If it is applied properly, it might last the "guaranteed length of time.
Dick
Coating are just a temporary patch at best if the surface is prepared properly. If it is applied properly, it might last the "guaranteed length of time.
Dick