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PLUMBING SYSTEM INSPECT DIAGNOSE REPAIR
AGE of PLUMBING MATERIALS & FIXTURES
AIR DISCHARGE at FAUCETS, FIXTURES
ANTI SCALD VALVES
ANODES & DIP TUBES on WATER HEATERS
BACKUP PREVENTION, SEPTIC
BACKUP PREVENTION, SEWER LINE
BACKWATER VALVES, SEWER LINE
BATH & KITCHEN DESIGN GUIDE
CHEMICAL CONTAMINANTS in WATER
CHEMICAL ODOR SOURCES
CHLORINE IN DRINKING WATER
DEBRIS in WATER SUPPLY, Water Heater
DEPTH of SEPTIC TANK
DRAIN & SEWER PIPING
FAUCETS & CONTROLS, KITCHEN & BATH
FAUCETS, OUTDOOR HOSE BIBBS
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FLOOR DRAIN / TRAP ODORS
FLUSHOMETER VALVES for TOILETS URINALS
GAS PIPING, VALVES, CONTROLS
GALVANIC SCALE & METAL CORROSION
HARD WATER - SOFTENERS
HEAT TAPES, Heat, Insulation prevent Freeze-Up
LEAD POISONING HAZARDS GUIDE
LEAD IN DRINKING WATER, HOW to REDUCE
METHANE GAS SOURCES
MIXING / ANTI-SCALD VALVES
MUNICIPAL WATER PRESSURE IMPROVEMENTS
NOISE / SOUND DIAGNOSIS & CURE
ODORS GASES SMELLS, DIAGNOSIS & CURE
ODORS IN WATER
ODORS, SEPTIC or SEWER
ODORS SEWER GAS in COLD WEATHER
ODORS, SULPHUR SMELL SOURCES
ANIMAL or URINE ODOR SOURCE DETECTION
PIPING IN BUILDINGS, Clogs Leaks Types
PLUMBING FIXTURES, KITCHEN, BATH
PLUMBING NOISE CONTROL
PLUMBING VENT DEFINITIONS & CODES
PLUMBING VENT DEFECTS & NOISES
PUMPS USED in BUILDINGS
PUMPS, WATER REPAIR
RELIEF VALVE LEAKS
RELIEF VALVES - TP Valves on Boilers
RELIEF VALVES - STEAM TP VALVES
RELIEF VALVES - Water Heaters
RELIEF VALVES - Water Tanks
REPAIR BURST LEAKY PIPES
METHANE GAS HAZARDS
SEPTIC SYSTEM INSPECT DIAGNOSE REPAIR
SHUTOFF VALVE LOCATION, USE
SULPHUR & SEWER GAS SMELL SOURCES
SWEATING (CONDENSATION) on PIPES, TANKS
TOILETS, INSPECT, INSTALL, REPAIR
WATER, WELLS, WATER TANKS: TESTING GUIDE
WATER PRESSURE LOSS DIAGNOSIS & REPAIR
WATER PUMPS & TANKS
WATER SOFTENERS & CONDITIONERS
WATER SOURCE ALTERNATIVES
WATER SUPPLY & DRAIN PIPING
WATER SHUTOFF VALVE LOCATION, USE
WATER SHUTOFF VALVE, WELL PUMP
WATER TESTS, CONTAMINANTS, TREATMENT
WELLS CISTERNS & SPRINGS
WINTERIZE A BUILDING
ABS or black plastic plumbing pipes: this article describes the properties of ABS plastic piping and tubing used in buildings. We include information about failures and problems with some generations of plastic pipes (ABS, polybutylene) and we describe good building practice installation details where plastic piping is being installed.
The articles at this website will answer most questions about plastic building water supply and building drain piping products, failures, and claims as well as many other building plumbing system inspection or defect topics.
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As our black ABS drain piping photo shows (above), some drain line leaks having nothing to do with product defects can occur in this system if the piping is not properly installed.
Field investigations of leak stains (as in our photo) as well as investigations of sewer gas odors (SEWER GAS ODORS) have traced these problems to failure to properly clean, prime, and glue the pipe joints during construction.
However, "All Black -hit," defective black ABS plastic waste pipe manufactured in the mid 1980's failed by cracking, as Cranor's photo below illustrates.
"All Black -hit," defective black ABS plastic waste pipe manufactured in the mid 1980's failed by cracking. The result was litigation and some damage settlements, but currently it is unlikely that a homeowner will find legal relief for newly-discovered ABS drain waste vent piping cracks and failures.
History of ABS Pipe Failures: ABS Plastic Drain/Waste/Vent (DWV) pipe failure Brands
Our photo (left) illustrates a homeowner-installed water softener drain cut into an ABS drain line - an unsanitary cross connecction explained at CROSS CONNECTIONS, PLUMBING.
ABS drain pipe material failures were reported for pipe made between 1985 and 1988.  below
ABS Plastic Pipe Leak Failures Still Being Discovered
Home inspector John Cranor provided the photo at left of a cracked ABS drain line, commenting:
This photo of cracked ABS is damage that I feel has to be related to the defective ABS that was reported years ago. I am in VA and have inspected close to 6000 homes and this was the first I have seen this issue here. I saw at least six spots on the drain pipe in the crawl space that had similar cracking and white crusty residue like shown in photo.
How to Detect or Find ABS plastic pipe cracking failures
Although the cracked ABS drain line is quite visible in Mr. Cranor's photo (above), or in some areas where piping is exposed (photo at left) there may not be ready access for visual inspection of all surfaces of all of the plastic ABS drain lines in a building. Here are some tips that can reduce (not eliminate) the chances of missing faulty black ABS plastic drains:
ABS Class Action & Litigation
The prior class action litigation involved five of the six ABS pipe manufacturer's brands listed above: Centaur, Phoenix, Polaris, Gable, and Apache. (Spartan was excluded). We have not found evidence of an class action (June 2012). The attorney involved in prior actions, David Birke-White, indicated (paraphrasing) that defective ABS piping failures are a progressive problem and that piping that had not already failed will do so in the future.
ABS DWV pipe failure references
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