ed fox New Member Messages 1 Reaction score 0 Points 0 Oct 1, 2004 #1 Im searching for the best type of coupling for joining 4-inch clay pipe to 4-inch PVC. My primary concern is root penetration. Is a Trifluralin impregnated coupling available?
Im searching for the best type of coupling for joining 4-inch clay pipe to 4-inch PVC. My primary concern is root penetration. Is a Trifluralin impregnated coupling available?
LonnythePlumber Plumber, Contractor, Attorney Messages 317 Reaction score 0 Points 0 Location Wichita, Kansas Oct 1, 2004 #2 Herbicide I've not heard of a herbicide impregnated rubber coupling. You're still going to have clay that will have to be replaced anyway.
Herbicide I've not heard of a herbicide impregnated rubber coupling. You're still going to have clay that will have to be replaced anyway.