Concrete Waterstop for 4" pipe
Concrete Water-Stop for 4" IPS size metal or plastic pipe.
Eliminates weeping around pipe penetrations.
For use in all wall thicknesses.
The center cutout stretches and compresses to form a water-tight seal around the pipe.
Two #304 stainless steel plates support an extended EPDM gasket providing an elastic edge around the perimeter of the water-stop.