Sealing Around A Pipe Through A Concrete Wall

They are cast in a wall around a pipe through a foundation wall floor slabs pools ice rink concrete slabs.

Sealing around a pipe through a concrete wall. Edpm puddle flanges provide waterstops when a continuous pipe runs through the wall. The units prevent water infiltration along a pipe through the concrete. Sometimes they re not sealed at all. Two component polyurethane injects via a standard caulk gun.

Acrylic and latex based caulking. Wa pf units provide waterstop pipe sealing. Effectively fills gaps stopping entry of water seepage and soil gases including radon. Dust the area around the pipe with an old paintbrush or handheld duster to remove dirt dust and other debris.

The sleeve pipe may be sealed with mortar tar expansion foam or any other suitable means. Forms a water and gas tight seal around water sewer and gas pipes in basements. 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. Use a dry cloth to blot up water that may have leaked through the hole.

2 load a caulk gun with exterior grade caulking. Requires no drilling into concrete. 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.