Then backfill in against the posts with crushed gravel, tamping every 6-inch "lift" as it is poured into place. The gravel will hold the posts securely upright yet allow water to drain quickly ...

Add at least one foot of backfill material, like angular gravel, behind the retaining wall and top with soil and landscaping plants. Weep holes should be about 4 feet apart horizontally in a ...

Footer trenches need to drain like a bathtub, from their lowest point, to daylight, before any footer gravel is added. Walls should be tied back into the hill, so that the weight of the backfill ...