Drainage around the garage

24 Sep 2012
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United Kingdom
Hi everyone!

I'm wanting to stop my garage from leaking and have thought of a solution but wanted to check it out with people who know!

Ok, the garage is at the bottom of the garden which is on a steep slope, when it rains the water seeps in at the back and side of the garage. The garage floor is lower than the outside ground level.

A channel down the side and back has been dug out as deep as it can be.

I thought using a damp proof membrane which I would then attach to the outside garage wall and use it to form a channel might do the trick? The other option I thought about was filling in the channel with waterproof concrete?

Any thoughts/advice would be greatly appreciated!

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