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 ...

ANCHOR VERTICA PREFERRED FOR SPLIT LEVEL CAR PARK IN HASLINGDEN A segmental block retaining wall from Maccaferri, specialists in retaining structures, soil reinforcement and erosion protection, has ...