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 ...

Jenn: Okay, so, we picked this wall because they are interlocking concrete blocks, and that's gonna create the retaining wall. Love the nice smooth appearance. Olivia: Yeah. Jenn: And Mark's gonna ...

Taking on the ultimate challenge—constructing a retaining wall using insanely heavy blocks! Watch the process, struggles, and final result. #RetainingWall #DIYConstruction #HeavyLifting Live ...