Most older sewer lines are made from clay and even most newly built structures with pvc drain lines eventually discharge into a city waste system comprised of clay pipes.
Clay tile drain pipe.
Corrugated to clay pipe adapter.
Clay drainage pipes connections field tile these are plain no bell clay drainage pipes that are sold by the foot in sizes ranging from 4 5 6 8 10 12 15 and 18 id s.
As you can see from the photo the tree roots work their way through cracks or joints in older sewer lines made of clay tile cast iron or an asphalt composite style called orangeberg piping.
Roots that impinge on clay pipe may eventually cause the pipe to crack.
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Optional perforations for enhanced water penetration are available for 4 and 6.
Because clay sewer pipe has a porous surface it tends to attract tree roots.
Corrugated polyethylene pipe and to the inside of a 4 in.
Made from corrosion and abrasion resistant high density polyethylene.
Polyethylene corrugated to clay pipe adapter snaps to the outside wall of a 4 in.
Systems with vcp lines allow for greater selection of cleaning tools and more aggressive cleaning for tough challenges.
All mission band seal vitrified clay pipe is extra strength and plain end type 1 does not include shear ring and is available in 4 and 6 diameter type 2 includes shear ring and is available in 6 8 10 and 12 diameter highly resistant to attack from sewer gases acids alkalis and most other corrosive products.
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One great benefit of clay pipe over plastic pipe is that it is inert making it highly resistant to chemical degradation.
Any product that would dissolve dirt and clay lodged in a drain pipe would also attack the system itself at some juncture.
1 piece molded construction protects against leaking at the joint.