Water Getting into Sunroom

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Old 09-15-20, 04:09 PM
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Water Getting into Sunroom

I'm not sure this is the right category for this question, but here goes:

Before we bought our house, we had it inspected, and when the inspector reported on our sunroom, this is what he said and the pictures he took:

The slab at the rear sun porch extends out past the exterior walls. This condition increases the risk of water intrusion and moisture related problems such as termites and mold. Signs of water intrusion into the sun porch were noted, as evidenced by some stains on the inside carpet. Corrections by a qualified contractor are recommended.

We have since removed the carpet, and we do notice water coming in the sunroom just a little in that corner when we get a lot of rain.

Is there anything we can do to help this situation without having to hire a contractor?

Thank you in advance!


 
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Old 09-15-20, 04:16 PM
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When a Sunroom is set on a pad, and that pad extends out past the walls, the walls tend to sit in water unless the base of the wall is sealed. Since the exterior sill often has weep holes, it's best to caulk the interior side of the wall where is meets the concrete. You have to use a polyurethane concrete sealant and make sure the concrete is clean and dry. If the outside has no weep holes, or if they are above grade, you can caulk the outside too... just dont caulk the weep holes shut.
 
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Old 09-15-20, 08:39 PM
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Thank you! We'll get right on it.
That's kind of crazy that the inspector thought we should get a contractor to remedy it.
 
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Old 09-16-20, 05:58 AM
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A home inspector's job is to find things wrong, so they often make a mountain out of a mole hill.

Your leak could also have nothing to do with the concrete pad. Since its occurring at the corner, that is where your 2 sill pieces meet, so water that gets inside the sill could simply be leaking in at the miter. You would want to caulk not just the floor but also vertically up the sill joint... which is about 1 1/4" high.
 
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Old 09-17-20, 08:47 PM
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XSleeper Would you recommend the same kind of sealant for the sill joint? Actually, we think your second answer is what we're dealing with since the water is just present at the corner when we get a lot of rain.

Thank you!
 
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Old 09-17-20, 09:41 PM
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Well you could use it for simplicity, but the concrete sealant is grey, its not white. I guess you could dab a little white paint on it once its cured. Not sure you would even notice it.
 
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