Apart from selecting a suitable DIY material, you should also make sure that the retaining wall design is compliant ... plus ...
Industrial décor is meant to look raw and simplistic, but the price tag doesn't always reflect that. To save some cash, try ...
Retaining walls can be constructed with concrete blocks, natural stone, or bricks. The goal is to complement your landscape design. You don’t have to stick to only one material for your walkways.