Water Leaking Into Basement Under Porch

There is a single slab of concrete which makes the ceiling of my basement rooms but the floor of my porch which is exposed to the outdoors.

Water leaking into basement under porch.

Under our porch we have two rooms in the basement. Water leaking from concrete slab porch into rooms below. The water leaking down saturates the wood between the tongue and groove. So long as the wood framed porch had a slope built into it allowing it to shed water to the outside of the building any water that penetrated through the tile floor around the waterproof substrate under the tile and around the large corner support column would have just eventually made it to the outside and never touched the wood.

That way the bolts are just that and not waterways. I have gone over my caulking job and re applied sealant in areas where it seemed thin. One potential problem area you can. I m concerned that the leak may be coming from a fault in the concrete itself so i m looking at waterproofing the slab but i m unsure of what product s or techniques to use.

User contributions licensed under cc by sa. We have a metal threshold over a concrete sill and our front porch is a concrete slab about 4 x6. The water was still leaking through into the basement. One room leaks when it rains under the door almost where the porch meets the house.

Plugging them probably won t solve basement leaks but it ll help. Holes and cracks in your foundation can let moisture and water seep into your basement. We are having trouble finding where the leak is coming from. There are a number of weatherproofing issues we need to address but the most urgent is the concrete sill under the door which has been crumbling for a while and presumably is the source of our leak.

It is installed under the siding and over the ledger beam so no water can enter the house behind that ledger beam. We ve been having some issues with water leaking into our basement under our front door. Some areas like your roof are obvious locations. I have posted this before but deck flashing is that small piece of bent metal sometimes called z flashing seen in the circle to the left.

How do i stop the leaks. How to stop water leaks under a door frame. During the winter months blowing snow sits on top of the porch then on slightly warmer days it melts and leaks into the basement. What you re imagining i added a photo for clarity.