Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep enough to completely bury at least one full course, including space for 6 to 8 ...

Lowe Larretta is former lead editor for Forbes Home, covering all things related to home improvement and good design. She previously worked in the decor and lifestyle spaces for digital publishers ...

Q: I have two deteriorating (but still standing) retaining walls made of timber and two even worse, leaning cinder-block retaining walls. I was planning to replace them all eventually, but to spread ...