A well-built concrete block retaining wall can last for decades—with little upkeep. When built properly, this type of wall will resist the lateral pressure of soil, providing support for the soil behind it. If you’re planning on installing a concrete block retaining wall, here are a few tips from the experts at Frank’s Handyman Company in Portland, Oregon. Concrete block retaining walls are built using modular concrete blocks that are stacked on top of one another. The blocks are interlocked with pins, or rebar, that runs through the core of the blocks. This type of wall is often used to…