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 ...

Retaining walls were first created to perform the simple and necessary task of holding back earth. And with good reason: Erosion is a natural process, but when it means soil being washed off your ...

Retaining walls were first created to perform the simple and necessary task of holding back earth. And with good reason: Erosion is a natural process, but when it means soil being washed off your ...