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Cast iron drain lines, hints from a home inspector home inspectors
Cast iron drain lines: for many years cast iron drain lines with hubs were used in sewer lines. Hubs were fitted together, then filled with "oakum rope," tamped in tight. Then molten lead was poured around the hub. After it set, which was almost instantly, the lead was tamped, using special tamping tools which look like curved chisels. Not all plumbers today know how to use this system. Pipes must be protected by metal straps to prevent driving nails and screws into them. No-hub cast iron pipe is used today where cast iron is required or desired. In place of the leaded hub is a neoprene sleeve held in place by a stainless steel clamp. This type of pipe is largely used in commercial applications but may be found in single family residences which are "heavily" built and when passing through fire walls. In most cases these pipes will be partially or totally buried and may rust out on the bottom side and leak. The inspector cannot ascertain whether this is the case since the problem is not visible. The inspector will run considerable amounts of water through each fixture in an effort to determine whether the drains are capable, in a reasonable amount of time, of handling the amount of water entering the fixture, and to assure that the fixture drain does not overflow when another fixture is drained simultaneously. The inspector cannot ascertain whether the drain lines will perform properly in the future. Drainage may be blocked at any time by roots, broken pipes and other damages caused by repairmen, objects flushed into the system by homeowners, etc.
Fossil fuel water heater or other fuel burning appliance less than 18 to 24 inches above garage floor
Water heater stand area damaged stained no overflow pan
Water heater vehicle stop (bollard) not installed
Hot water circulating pump inoperative noisy
Aluminum or flexible gas supply line installed through wall ceiling floor cabinet
appliance housing between rigid pipes: to prevent vibration damage
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Copper pipe in natural or LPG gas line
Gas oil valve line leaks: important note
The above information was provided by TWI Systems Copyright 1995-2007 1-800-553-5660. TWI is a fantastic company to deal with!
File last updated May 21, 2012 * Copyright © 2012 All rights reserved by: Accurate Inspections, Inc. A New Jersey home inspection firm 56 Woodland Drive, Woodland Park (formerly West Paterson) NJ 07424 973-812-5100 providing New Jersey Certified Home Inspections in NJ, by New Jersey Licensed home inspectors. Inspector of record Michael Del Greco, New Jersey Home Inspector License GI 0121.
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Cast iron drain lines, hints from a New Jersey home inspector who performs home inspections in NJ
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