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mpls69 04-19-2013 02:00 PM

Attach Landscape Timbers to Foundation?
My home is on a hill and I'm considering terracing alongside the home which has a concrete block foundation. If I elect to use presure treated landscape timbers, is it typical to attach them to the foundation? Are there alternate approaches to make sure it doesn't move (deadmen every other course near the foundation wall for example)?

I've googled and can't find anything on this.

concretemasonry 04-19-2013 04:28 PM

You are trying to attach a flexible retaining wall to a rigid wall.foundations? - Not a good idea.

If you have frost, it is even a worse idea since it will heave and move differently.


joecaption 04-19-2013 05:01 PM

Got a picture?
Trying to figure out why you think it needs to be done this way.
You do know landscape timbers are not below graded rated and will rot out, right?

mpls69 04-19-2013 06:18 PM

I'm not suggesting it be done a particular way - I'm simply asking the question.

I've seen pros attach window wells for egress windows to the foundation. Do they do this when the well is built with landscape timbers? Don't know, this is why I'm asking.

Msradell 04-21-2013 07:21 PM

You don't want to attach them for a multitude of reasons. Just install a deadman about every 8' of length on about every 3rd layer, alternating the locations. The deadman anchors should be about 4' long with a cross block on the back end. Also, don't forget to pin the layers together. An easy way is to drill holes in drive in rebar.

joecaption 04-21-2013 11:40 PM

Landscape timbers would be the wrong material to use if it's below grade.

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