Question 1

Do retaining walls in Marble NC need an engineer?

Accepted Answer

Walls over 4 feet, walls on steep slopes, or walls holding up driveways or structures usually require engineering to meet code and stay safe.

Question 2

What causes retaining walls to fail in Marble?

Accepted Answer

Most failures come from poor drainage, weak base prep, bad backfill, or unreinforced landscaping walls on sloped terrain.

Question 3

Can you repair a leaning or cracking retaining wall?

Accepted Answer

Sometimes. We inspect movement, soil, and drainage, then recommend reinforcement, anchors, or rebuild depending on safety.

Question 4

What retaining wall systems work best on steep Marble lots?

Accepted Answer

Tall or steep walls typically need reinforced earth (MSE/geogrid), big-block systems, or geo-anchors. Smaller walls may use SRW block or boulder walls.

Question 5

How do you handle drainage behind retaining walls?

Accepted Answer

We install a full clean-stone drainage zone with perforated pipe and outlets. Water control is the #1 factor in wall longevity.

Question 6

How much does a retaining wall cost in Marble NC?

Accepted Answer

Cost depends on height, access, soil conditions, drainage, and system type. We give a firm quote after a site visit.

Question 7

How long do retaining wall projects usually take?

Accepted Answer

Most projects take a few days to a couple of weeks depending on size, access, and engineering requirements.

Question 8

Can you build a wall near a home or driveway safely?

Accepted Answer

Yes. We bench and step the base into competent soil or bedrock and build per engineered specs to protect structures above.

Question 9

Do you work on tight-access mountain sites?

Accepted Answer

Yes. We regularly handle hard-access terrain using the right equipment and staged excavation to build stable walls safely.

Question 10

Do ERWalls retaining walls come with a warranty?

Accepted Answer

Yes. Our engineered walls are built to specification and backed by workmanship and performance warranties.

ENGINEERED
RETAINING
WALLS®

(706) 970-0704