Aetnaâs standard HMO plans cover surgical dressings when they are medically necessary for wound debridement or for the treatment of a wound caused by, or treated by, a surgical procedure. Please check benefit plan descriptions.
The only drawback to this type of retaining wall is the lack of lateral strength it has. If too much water or extra pressure is exerted on the wall, it could fail in spots. Expect to pay between $15 and $30 per square foot of wall, depending on the style and strength of block you choose.
Brick Retaining Wall Prices. Brick is a very popular material for a retaining wall. It comes in a variety of shapes, size, and color. Reds, grays, and light browns seem to look the best in the landscape setting; earth colors. Depending on the type of brick you purchase, it could cost upwards of $70 to $90 per square foot.