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How to stop water entering underhouse garage?

Want advice and help to stop rainwater running into rear of our garage from the water table at front of house ( cannot access outside area to do drainage)

Have started cutting an existing trench that was put in after previous owners had dug out ground below foundations & a put in concrete floor in this space.

Have started cutting trench with grinder but too messy with dust.

Thinking of hiring a concrete cutter with water. Have to cut about 10 mts to install 80 mm drainage grates to run to an existing storm water pit at front of the garage..

Can I tidy up foundations to stop water running in by making these deeper below the concrete floor?

Am I on the right path for this.

Thank youCutting along existing drainage trenchStormwater pit at front of garage

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EricL

Hello @Steve55

Welcome to the Bunnings Workshop community. It's sensational to have you join us, and thank you for sharing your question about stoping water from entering your garage.

I can see where you have placed the drain and it looks like a good spot for water to drain away. If water is entering your garage have you thought about placing a drain channel in front of the garage to go into your stormwater pit? Putting a drain in front of your garage is an easier solution than trying to add more cement inside your garage.

Would it be possible for you to post a picture of the entire entrance of your garage? Is your driveway sloped causing water to flow down your driveway and into your garage? Is there no possibility of fixing the water table at the front of the house? Any other extra information you can provide will help us to make recommendations on how to prevent water from entering the garage.

If you have any other questions we can help with, please let us know.

Eric

Jason

Hi @Steve55,

Hope you are well.

Just checking in to see if you have made progress on this project? Eric had a number of follow-up questions, and we would be more than happy to assist if we had more details.

Many thanks,

Jason

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