Do you need a protective sleeve to bring a 4 Inch PVC sewer line through the hole in my Cinder Block Foundation Wall?
My plumber says no. Also, they seal the hole so water does not enter my crawl space.
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4 Inch PVC Sewer Line Through Cinder Block Foundation Wall In Crawl Space
Do you need a protective sleeve to bring a 4 Inch PVC sewer line through the hole in my Cinder Block Foundation Wall?
My plumber says no. Also, they seal the hole so water does not enter my crawl space.
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