How To Install Pipe Through Concrete Wall

A true concrete hammer drill like a bosch sds type will drill through it like swiss cheese.

How to install pipe through concrete wall.

Cut a hole with some wiggle room for the new pipe. Use the hole saw to cut a 4 1 8 inch circular hole in the concrete block wall. Feed the pipe through the hole and run it all the way around the foundation. If you went through the wall you d want special framing and finish trim not just a pipe sticking through cedar shakes.

Seal up around the pipe at both ends with a concrete sealing caulk. I would say drilling through the foundation is a lot less inherently bad than going through the wall. Getting the core drill set up is the hard part. When pipes pass through basement walls underground ground water can leak in around the pipes and through the concrete.

Many times shifting soil or a house settling can create a gap around the pipe and an escape route for water before it reaches the foundation drain pipe. Seal off the drain hole in the wall with poured cement and caulking. Cut away a 10 inch by 2 foot section of flooring. The mason parged some mortar around the inside and outside didn t pack it tight and that mortar has worked free creating a major gap and leak for my client.

Local code or your insurance may have an opinion but if it doesn t have any combustible material in the wall it should be doable for less than 450 to get through the wall. For a 3 inch pipe use a drill and reciprocating saw to cut a hole about 4 1 4 inches by 10 inches through both the bottom plate of the room you are working in and the top plate of the room below. Drilling the actual hole is the easy part. Sealing sewer pipe through basement wall i am a gc in upstate ny i need to repair a basement wall where the 4 pvc soil pipe penetrates through.

Step 5 finish filling the trench.