Retaining walls cost between $1,000 and $10,000 for a typical 4-foot by 25-foot wall or around $5,500 on average. The overall costs depend on the dimensions of your particular wall, the wall style ...

A retaining wall is only as effective as its drainage system. Adding weep holes and a drainage pipe will protect its integrity. This One Drainage Mistake Could Destroy Your Garden and Cost You ...

Use waterproof sheeting and gravel backfill to ensure proper drainage ... Consider concrete railroad ties. This retaining wall by @modern.landscape.solutions features precast concrete blocks that ...

If you want a timber retaining wall to last as long as possible, buy wood rated for heavy or extreme duty. Barrons Lumber, which has stores in Manassas (571-292-2900; ...

But for ground contact, as in a retaining wall, you need wood labeled UC4. After that, you should see an A, B or C, signifying general use, heavy duty or extreme duty.

Make sure you purchase special interlocking retaining wall blocks at your home center store. These blocks fit together when stacked so they will not tip over from the weight of the soil behind them.

Foundation drainage, retaining wall can prevent flooding. Staff Writer. The Columbus Dispatch. ... The bottom of the retaining wall, where it meets the ground, would be about 18.