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Question DetailsAsked on 7/16/2014

I want to find a contractor to install a short retaining wall either of landscape blocks or of poured concrete.

We need about 25 feet of wall on one side of the driveway. It would start out at about 3 feet high above the drive and taper down to about 18 inches. Would like to have some kind of drainage tile along the drive as the driveway sits pretty low to the street and the concrete along the retaining wall on the other side cracked last winter due to frost heave.

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There are specialty retaining wall contractors out there - but not a separate AL category. Your Search the List category for this is Landscaping - Hardscaping and Pavers. Putting an embedded drain pipe with drain rock behind the wall is recommended practice - this could be dropped down a bit to be below drive level and serve as an interceptor drain for water trying to get under the drive too.

To minimize frost heave/cracking issues, put a bitumastic crack filler between the concrete edge and the retaining wall so it one moves relative to the other it does not crack it, if there is not earth between them. I prefer the peel-and-stick products that about 1 inch thickk and three inches wide - you can stick right to one surface and then pour the concrete for the base of the wall right against it. If a gap in between, then a compacted free-draining crushed rock in geotextile would be a good idea as it can be driven on, and will also drain water getting into that area.

Answered 5 years ago by LCD


no. am looking for decrative lanscape curbing

Answered 5 years ago by Guest_96376621


OK - then your retaining wall, a decorative (presumably you mean segmental strip or block) decorative paver, then the driveway. I would recommend the standard drainage pipe and gravel drain behind thewallto instercept water soaking through the backfill, then a gravel underdrain or perforated pipe drain under the decorative pavers setat a lower level than the drive by 8-12 inches or so, to intercept water running along the wall or off the drive so it does not get in under the driveway and cause it to break up. Or the footing for the wall can be extended out in front to the drive with a formed drain channel in it, then the decorative pavers just laid over that for looks - though they will break a lot easier in that case if someoine gets a tire on them.

Same contractor should be able to do wall, drains, pavers.

Answered 5 years ago by LCD

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