Not sure if this is the right section.
Just bought a house. It used to be a 2 car garage. On the first floor it is cement block construction on a slab. The house gets water in it after very heavy rain or during snow thaw and I am trying to resolve this. The worst was that time of the year where the snow is thawing and it rains. I had almost 2 inches. The floor is maybe 6 - 8 inches below ground level in spots. I am doing what I can on the outside by doing some grading, piping the gutters away (they currently dump straight down next to the house), and maybe a french drain.
On the inside I have small gaps between the cement wall and the slab and three hairline cracks that go all the way across from one side to the other horizontal to each other. I also have two penetrations below ground level... one for the water supply from the well and one for the sewer pipe leaving the house. They are in the utility room which never has exposed slab in it so I could see these areas get damp first. I have not been able to see if the edges or the hairline cracks get wet because of course we haven't gotten any good water since. The house is wood construction where the two garage door bays used to be and has a wood weight bearing wall splitting it down the middle.
I obviously need to dig out and redo the cement around these penetrations. I am unsure of how to tackle the rest of this rehab though. One option would be to replace the base plates of any timber walls with pressure treated double base plates and just have someone pour 1.5 - 2" cement on top of everything. This would work because everything in the house is already built 2" higher because someone had a sleeper floor in at one point. Another would be to try some of the waterproofing products out there and see if they help. There are some "thinner than water" products to seal the hairline cracks. I am afraid of temporary results though... I don't want to spring a leak in 3 years. I've also been reading up on Polyurethane Injection vs Epoxy Injection... seems like Polyurethane might be a lifetime fix for my application.
Thanks for any direction or input!
Need slab advice for converted garage home.
Just bought a house. It used to be a 2 car garage. On the first floor it is cement block construction on a slab. The house gets water in it after very heavy rain or during snow thaw and I am trying to resolve this. The worst was that time of the year where the snow is thawing and it rains. I had almost 2 inches. The floor is maybe 6 - 8 inches below ground level in spots. I am doing what I can on the outside by doing some grading, piping the gutters away (they currently dump straight down next to the house), and maybe a french drain.
On the inside I have small gaps between the cement wall and the slab and three hairline cracks that go all the way across from one side to the other horizontal to each other. I also have two penetrations below ground level... one for the water supply from the well and one for the sewer pipe leaving the house. They are in the utility room which never has exposed slab in it so I could see these areas get damp first. I have not been able to see if the edges or the hairline cracks get wet because of course we haven't gotten any good water since. The house is wood construction where the two garage door bays used to be and has a wood weight bearing wall splitting it down the middle.
I obviously need to dig out and redo the cement around these penetrations. I am unsure of how to tackle the rest of this rehab though. One option would be to replace the base plates of any timber walls with pressure treated double base plates and just have someone pour 1.5 - 2" cement on top of everything. This would work because everything in the house is already built 2" higher because someone had a sleeper floor in at one point. Another would be to try some of the waterproofing products out there and see if they help. There are some "thinner than water" products to seal the hairline cracks. I am afraid of temporary results though... I don't want to spring a leak in 3 years. I've also been reading up on Polyurethane Injection vs Epoxy Injection... seems like Polyurethane might be a lifetime fix for my application.
Thanks for any direction or input!
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