Retaining walls need a drainage system to prevent water from causing structural ... Be it a 3-foot brick structure or an 8-foot-tall stone wall, there's one detail that ensures it will be able ...

You need perforated foundation drain tile pipe at the footer covered by plenty of washed larger gravel that has no sand in it. The gravel should extend up 5 or more feet, then be covered by a foot ...

2. To avoid soil shifting and damaging the wall, retaining walls should rest on cut or undisturbed ground, not landfill, and have a footing roughly two times the width of the wall and as deep as ...

Design flaws in a retaining wall drainage system and heavy rains during construction may have contributed to a “slope failure” that caused the collapse of U.S. 36 in Westminster two yea… ...

A retaining wall is only as effective as its drainage system. Adding weep holes and a drainage pipe will protect its integrity. This One Drainage Mistake Could Destroy Your Garden and Cost You ...