What that is is a material called oakum which is oil based that is used to make the gasket where these pipes come together.
Basement leak around sewer pipe.
Use a chisel or a drill equipped with a masonry bit to carefully remove some of the surrounding wall near the.
Now having said that many times around the joints around the pipe joints it looks wet.
Put a coupler on the sewer side slide a new piece of pipe through the wall from the inside then connect that pipe to the drain on the inside.
Second is that the sewer pipe seems to be leaking.
When you re ready to install the hydraulic cement be aware that it sets up in about a minute.
You want to mix it up in batches of about 1 4 of the circumfrance of the pipe and continually mix and force it into the crevice as quickly as possible.
Once it is in place at the perimeter of your home we inflate the ball to artificially plug the sewer line so that no water flows past it.
Diy leaking concrete basement pipe repair kit for homeowners waterproof and seal gaps from pipe penetrations with polyurethane injection the waterproofing contractor s preferred solution make sure this fits by entering your model number.
So any water in the sewer pipes runs downhill out of the house through to the main sewer line which is connected to the city s system or a septic tank.
User friendly pipe penetration repair for.
With the two issues i would probably start from scratch and cut out the bad pipe.
Use a dry cloth to blot up water that may have leaked.
Locate the pipe in the basement wall that needs sealing.
How to seal a water pipe through a basement wall step 1.
Sometimes that oil will leach out and make the pipe look wet but it s not really a leak.
It sounds like you have two separate issues.
Redo the connections correctly and then reseal the foundation correctly around your new pipe.
But that s not a leak.
Drill out a uniform width around the pipe.
Keep the walls parallel to the pipe.