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: 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 ...

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 ...

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 ...

One of the secrets of a great outdoor room — one that makes you feel instantly relaxed and at home — is the suggestion of a wall, roof or door. Whether made of stone, wood or living greenery, the ...