These blocks interlock ... some locales impose height restrictions on retaining walls. These maximum allowable heights generally range from 3 feet to 10 feet in backyards, depending on the ...

Concrete blocks lend themselves to easy DIY installation ... that most jurisdictions require permits and engineering drawings for all retaining walls over 3 to 4 feet in height, especially if ...

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 ...