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[deleted] t1_ir6w74p wrote

As long as the “garden” soil is higher than the garage floor is then you will have water leaks. It’s pretty clear the outside wall of the garage is not sealed at the wall/concrete slab joint. The fix will be tough. On the outside area around the wall dig down about a foot past the walk/slab joint. Use a waterproof membrane with waterproof cement to seal the wall/slab joint on the outside. Fill the the trench with gravel and grade the level of the trench so that the water will drain away from the garage. Any other way you can grade the level of the garden water drainage away from the garage area would be helpful as well. This will always be an issue since the area around the garage is higher than the level of the garage slab.

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dafp123 OP t1_ir6xmr1 wrote

Thanks for that, so do you recommend pulling up the aco drains which were installed recently and doing as you say? Would you recommend getting rid of the acos? Only thing is I have a drainpipe going into the aco drain at the moment

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natchgreyes t1_ir83115 wrote

Not original poster, but agree completely with the solution posted. To add to this, the fundamental problem is that the garden soil will always hold water and it will slowly leech through the concrete, if you can't seal it. You need to create a space between the concrete and the soil in order for the water to flow properly - hence the gravel solution. The only thing that I would add is that you may want to place landscaping cloth on the boundary between the gravel and soil, and consider whether a french drain would be an appropriate install. Please note that, you don't need to get a french drain wrapped in landscaping cloth as the purpose of the cloth is to keep the soil separate from the drain...and that's what the gravel is for...and you don't want soil getting into the gravel (otherwise you've just created New England's soil) hence the proper place for the cloth is between the gravel and soil.

The acos can be useful for the roof's dripline, if you don't have properly functioning gutters or if you can't regrade the soil and the water is pooling on the surface at the building.

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