Sealing Around A Pipe Through A Concrete Wall

2 load a caulk gun with exterior grade caulking.

Sealing around a pipe through a concrete wall.

When pipes are run through the walls of your foundation they are typically sealed up with concrete hydraulic cement or caulk. These penetrations are one of the weakest links in the foundation walls when it comes to holding back groundwater and it s very common for them to leak water. To make a sleeve a section of pipe two nominal trade sizes larger than the desired pipe is passed through the wall with 2 to 3 extending out either side of the wall. Sometimes they re not sealed at all.

Two component polyurethane injects via a standard caulk gun. Dust the area around the pipe with an old paintbrush or handheld duster to remove dirt dust and other debris. The units prevent water infiltration along a pipe through the concrete. Edpm puddle flanges provide waterstops when a continuous pipe runs through the wall.

They are cast in a wall around a pipe through a foundation wall floor slabs pools ice rink concrete slabs. Wa pf units provide waterstop pipe sealing. Requires no drilling into concrete. If there is a substantial flow postpone the project until water stops moving through the hole.

Locate the pipe in the basement wall that needs sealing. Forms a water and gas tight seal around water sewer and gas pipes in basements. Effectively fills gaps stopping entry of water seepage and soil gases including radon.