Answer
May 04, 2026 - 01:17 PM
A keystone retaining wall is a type of modular retaining wall system made from interlocking concrete blocks, often shaped to fit together securely without the need for mortar. The term "keystone" refers to the unique design of the blocks, which provides stability and strength to retain soil on slopes or create level areas in landscaping. These walls are popular for their durability, ease of installation, and attractive appearance.
