Plumbing Materials
by Gurrola Plumbing
VENTING and DRAINAGE materials
International Plumbing Code 702
Copper DWV
Hardly utilized today due to cost.
Color coded with yellow writing and lines.
Cast Iron
Typically used in areas subject to high temperatures. Such as behind an oven.
Manufactured from tar coated cast iron.
ABS DWV
ABS and PVC are the most commonly used plumbing materials used today.
Manufactured from acrylonitrile butadiene styrene.
PVC Schedule 40
Most widely used material today.
Manufactured from polyvinyl chloride.
Water Piping Materials
Copper Type K, L, M
K type copper is the thickest of the 3 and used underground and typically on bigger projects.
Type L is the most commonly used. This should be the copper used for water supply.
Type M is the thinnest and is very easy. to bend. This is approved for water supply but, we’d recommend only using this for drainage.
PVC Schedule 40
Commonly used.
Same thickness as galvanized piping.
Comes in different pressure ratings.
Galvanized
Not used much today.
Was used the 1970’s and before.
Manufactured from galvanized coated steel.
CPVC
Manufactured from Chlorinated Poly-Vinyl Chloride.
Creamy Color
PEX
Popular choice for small jobs