Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep enough to completely bury at least one full course, including space for 6 to 8 ...

Garden retaining walls should, it seems, be made out of stone. By its very nature, stone is at ease in the garden; stone walls have a strength and soft irregularity that embrace and guide a garden ...

Q: I read a column on your website about rock retaining walls. I'm having a hard time believing you can build a lasting wall and not use mortar between the stones. What's the secret? A: Why the ...

Q. While peeping at the colorful autumn leaves in New England, I saw more than one rock wall. I was so impressed with them and wonder if rock retaining walls really hold up over time. What are some of ...

The robotics experts at ETH Zurich have developed an autonomous excavator that uses advanced AI to help it complete high-skill tasks without a human operator. Dry stone wall construction typically ...

Question: Tim, I read a column on your website about rock retaining walls. I’m having a hard time believing you can build a lasting wall and not use mortar between the stones. I’d love to just build a ...

Q: Tim, I read a column on your website about rock retaining walls. I’m having a hard time believing you can build a lasting wall and not use mortar between the stones. I’d love to just build a wall ...

Q. Tim, I read a column on your website about rock retaining walls. I’m having a hard time believing you can build a lasting wall and not use mortar between the stones. I’d love to just build a wall ...