After a summer spent out in the Great Wide Open, we hate to retreat indoors, but in most parts of the country, it’s only a matter of time before bitterly cold winter temperatures set in. For now, ...

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 ...