@ovrszd Great question. Never determined if the underlayment was removed, but I too have found lava rock on-site so you might be right. If present, at least it would aid in drainage.
@JJT That is a cool approach and something I’d be open to trying. Definitely don’t want to have those stones...
Hello everyone. Glad to be here, first post and all. Figured I would ask the experts cause I need some good, practical guidance.
Short version: I have a slender plot of land (30' x 400 ') that was mostly a railroad track until about 100 years ago. Tracks are gone now. Since then it's been...