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Question DetailsAsked on 5/23/2016

water coming up through my dinning room floor, part of the carpet is soaked through. what should I do?

This appears to happen when it rains. I have no idea where the water is coming from. Water is also leaking in the basement, in the small storage room, right below the dinning where part of the carpet is soaked.

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1 Answer


Since occurs with rain, assuming no ceiling or wall damage or staining so less likely to be roof leak, if there is evident damaged or missing siding, most likely causes would be:

0) french doors - there is a saying in the building trades, especially with inward as opposed to outward opening french doors, that it is not a questions of whether they will leak, but rather a question of when - so if french doors near the wet spot, that would be first guess, particularly if not protected by an overhead canopy or roof apron.

1) outdoor water level rising to door sill level and water is coming under doorsill - due to ground sloping towards house, deck sloping toward house, fill around house has settled so forms a pond, or lack of roof runoff control to collect and get the runoff away from the house and foundation.

2) failed/leaking flashing around door or window, especially over the top - and most especially if door/window is at the location where carpet got wet

3) failed/leaking door seals/weatherstrip, especially if there is no overhead protection to prevent rain from hitting the door

4) blocked drain channels in door sill, causing water running off the door to back up in the metal sill plate and flow into the house

5) less common, but happens at times - leaks from blocked gutters getting water in the walls, so pay attention to whether gutters are overflowing, especially if your gutters are right up against the house rather than out at the edge of an eave overhang. Check also for free flow in downspouts and that they are not broken or disconnected, causing water running against the wall.


If you can't track down the source by checking for where and the highest point that wetness first appears at the start of the next rain (which may require pulling carpet up at that edge to see if water is coming under door or out of wall), then you could start with a Handyman to look around and check for issues and maybe do a sprinkler test to reproduce the problem by wetting area by area sequentially, or if you are pretty sure not from buildup of water outside the house you could start with a Siding contractor to check out the siding, trim, and door/window flashing.

Another alternative is to pre-arrange with an energy auditor or home inspector who has a thermal infrared camera to come to your house and scan the house for signs of wet areas in ceilings and walls when it next gets wet. Prearrange so he is prepared to come on fairly short notice when you next notice this - typically an area will relaibly stay wet enough to trace a leak like this for about 6-24 hours after the inflow stops.

Certainly get out fans and dry out the wet areas to prevent mold growth.

Answered 3 years ago by LCD

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