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Everything You Ever Wanted to Know About Home Drain Pipes — but Didn't Know Who to Ask

One of the most crucial aspects of home maintenance is drain upkeep. When drains and water pipes fail to work properly, it's impossible to cook, clean or do much of anything. Therefore, it's important to care for your water pipes and know when to call for home drain maintenance. Additionally, it helps to know the worst from the best types of home water pipes, how they can be identified and maintained and when and if they should be repaired or replaced.

Different Types of Home Drain Pipes

Over the course of several years, the average homeowner or apartment tenant is bound to need some form of drain pipe maintenance. Of course, the frequency of such occurrences can be minimized with some basic, timely drain upkeep. However, home drain cleaning can only be done effectively if you know the kind of pipes that connect to your sinks. Depending on the age of your home, you could either have pipes that are common in recently built architecture or the kind of piping that was typical in buildings constructed early during the last century.

The types of home drain pipes that are most typically seen today are either made of copper or the plastics polyvinyl chloride (PVC) and acrylonitrile butadiene styrene (ABS). Other types of drain pipes are sometimes encountered in pre-1960 homes, such as drain/waste/vent (DWV) piping made of iron or steel. The following is a brief rundown of each pipe in the order they appeared in residential architecture.

Cast iron. A mainstay of pre-1960 homes, cast iron most commonly features in vertical drains of the era, but is also sometimes found in horizontal drains and vent stacks. Though the material is strong, it is prone to eventual rust. If rusting has occurred, contact a drain pipe maintenance specialist to have the corroded links replaced with plastic piping.

Galvanized steel. Also common in homes dating from the 1950s is galvanized steel, which is relatively strong but rarely lasts more than five decades. Once corrosion takes its toll, pipes made of galvanized steel are best replaced with plastic piping.

ABS. Starting around 1975, plastic piping emerged as a low-cost, easy-to-repair alternative to metal materials. Alternately referred to as "black piping," ABS was the first plastic form of piping to be used in residential architecture. Despite its rust-proof surface, the material has not proven itself to be as durable a piping material as metal over the long haul. In certain areas, ABS is now banned from use in the construction of newer homes.

PVC. The leading choice in residential drain lines over the past four decades, PVC is a light-colored, highly durable plastic that resists the elements and appears to outlast all other piping materials. PVC is made in several different grades: schedules 40 and 80 and chlorinated polyvinyl chloride (CPVC). Their uses are as follows:

  • Schedule 40 is most commonly used for drain-line piping under houses.
  • Schedule 80 is controversial because of its inability to handle hot water, yet the material is used in certain cold-water lines.
  • CPVC is able to withstand heat and is therefore used in certain parts of the United States for interior piping.

What Is the Best Type of Drain Piping?

Easiest Water Pipe to Repair: CPVC

Chlorinated polyvinyl chloride is basically PVC with an added dose of chlorine, which makes CPVC suitable for running tap water. Pipes made of CPVC have thus far stood the test of four decades. When repairs are needed, damaged portions can simply be removed with handsaws and refitted with adhesives, all of which makes CPVC the easiest home drain pipe material when it comes to maintenance.

On the downside, CPVC is one of the worst home drain pipe materials for the environment. Not only is it unrecyclable, but its production also involves a high degree of pollutants. Furthermore, the formation of CPVC piping links involves strong toxic chemicals. Despite these drawbacks, CPVC is a durable material that rarely requires maintenance and poses no threat to the quality of tap water.

Safest Home Drain Pipe Material: Polypropylene Pipe (PP)

Across Europe, homeowners over the last 30 years have experienced satisfaction with a piping innovation that has yet to sweep North America: Polypropylene pipe, or PP. The plastic material has proven to be a durable and water-safe form of piping, the formation of which relies on heat rather than chemicals. PP has also been touted as an eco-friendly product that's expected to last indefinitely.

Though it's a moot point for now as far as U.S. homeowners are concerned, PP costs significantly more per foot than other piping materials. Installation of PP is also a complex process that requires industry tools, which renders this an unsuitable form of piping for the DIYer.

What Type of Drain Pipes Are in My Home?

For a lot of homeowners, piping is something that's only thought about when issues over plumbing and water sanitation arise. Consequently, most people wouldn't even be able to identify the material that makes up the piping that sends water into their faucets and out their drains. Regardless of whether you've even looked at your pipes before, it's important to familiarize yourself with the type of pipes in your plumbing system. Knowing this can help you understand the probable causes of a given problem and better articulate the issue should you ever need to call for home pipe maintenance.

The following four types of piping material are most likely to be used in residential plumbing systems. Granted, a lot of homes are linked to two or more different pipe types, which can make matters confusing, but knowing how to identify these pipes can help home drain maintenance specialists give you an accurate over-the-phone estimate when you call about an issue.

Steel Pipes

Identifiable by their gray, silvery exterior, steel pipes come in galvanized and zinc-coated varieties. Despite their durability, steel pipes do ultimately wear down. Problems with steel piping are often due to erosion of the zinc properties, which can lead to rust, clogs and weakened water flow. Due to their thickness, steel pipes pose the most challenges when it comes to maintenance. For these reasons, steel pipes have fallen out of favor in modern plumbing and are generally only seen in 1930–1990-era homes.

Copper Pipes

If your piping is the same color as a penny, you've got copper pipes. Copper piping made its first appearances in 1930-era homes and buildings, but the metal really gained traction during the 1960s, when homebuilders came to favor its properties over galvanized steel. The thinness of copper piping makes it smaller, lighter and easier than steel when it comes to maintenance work. Thanks to its strength, durability and heat resistance, copper piping seldom causes problems in homes built within the last 30 years.

Nonetheless, copper does have its share of drawbacks. In some of the earlier-built homes with this type of piping, the presence of lead solder around the fittings can be an issue. Recent price hikes on copper have rendered maintenance on the piping more expensive than other plumbing work. As time wears on, the orangey brown hue of copper gives way to the effects of oxidation, which renders the surface darker and sometimes greenish in appearance.

PVC Pipes

As one of the great plumbing innovations of the mid-20th century, PVC has been a choice material for wastewater pipelines since the 1950s. The material is a hard, white plastic that's easily identifiable by markings that list its diameter, temperature threshold and PVC type. PVC is a favored piping material among homebuilders because of its rust-proof texture and infinite durability. However, PVC is not suitable for incoming water flow — its use is limited to toilet and drain piping due to the plastic's lack of heat tolerance.

PEX Pipes

Since it first gained favor near the dawn of the millennium, PEX has emerged as an industry standard in water-supply line piping due to its strength and heat tolerance. While pipes of this material are made in various colors, the most common colors used in residential properties are red for hot-water lines and blue for cold. As with PVC, PEX is rust-proof, infinitely durable and marked with identifiers along the exteriors of pipes. PEX's purpose, however, is the opposite of PVC — whereas the latter is restricted to drain lines, the former is only used for incoming water lines.

How Long Do Home Drain Pipes Last?

There are few things in this world that last the eons, though a good set of drain pipes can certainly last the duration of a decades-long home occupancy. However, if the pipes that run in and out of your house were installed prior to the Apollo 11 moon landing in 1969 and have not been subject to maintenance at any time over the intervening decades, chances are your pipes will be due for maintenance, repairs or retrofitting within the next 10 years.

In order to stay on top of leaks and other piping issues if and when they occur, and to schedule routine drain maintenance as needed, it's crucial to know the basic strengths, weaknesses and typical lifespan of each residential piping type.

Galvanized steel. With a typical lifespan of 80–100 years, galvanized steel is an outmoded piping type primarily seen in homes built after 1930 and before 1990.

  • Pros: Strong.
  • Cons: Heavy, irregular water pressure, zinc-coated/corrosive, water dis-colorizer, lead releaser.

Cast iron. Despite its 80–100-year lifespan, the once-ubiquitous cast iron fell into disuse as a drain pipe during the 1960s.

  • Pros: Strong.
  • Cons: Corrosive, heavy, outdated.

PVC. With an average lifespan of 25–40 years, PVC drain piping has its share of pros and cons:

  • Pros: Rust-proof, high pressure threshold, inexpensive.
  • Cons: Lacks heat tolerance, may warp.

How to Prevent Clogs in Water Pipes

In most U.S. households, running water gets taken for granted. From sinks, dishwashers and washing machines to showers, toilets and outside hoses, people generally don't consider how water enters and exits the home. As such, the typical resident will often place great strain on his or her water system without considering the consequences. Whether this involves flushing down food particles and hairs or constantly running faucets at hot temperatures and high pressures, the amount of stress that water pipes endure rarely crosses the user's mind. Only when clogs occur do most people consider the limits of water pipes.

Don't Rely on Drain Cleaners

Of course, most people simply reach for bleaches and drain cleaners to rid clogging and then return to indiscriminate water use as normal. Trouble is, all this really does is offer a temporary fix to a long-term problem. While Drano-like products will usually free up water flow, they don't entirely remove the obstructions. Therefore, the clogging is likely to recur at shorter intervals going forward, especially when water gets used at higher pressures and faucets are treated as garbage disposals. Drain-cleaning products can also erode the interior lining of pipes, which means the likelihood of leaks increases with each repetition of this abusive cycle.

Call a Plumber When You Get a Clogged Drain

If and when a clog in a home drain pipe does occur, the best remedy is to call a plumber and have the pipeline professionally snaked. That way, the drainpipe will be spared of harmful chemicals that could reduce its lifespan and ultimately lead to a more catastrophic plumbing issue down the line. From that point onward, care should be taken to ensure clogs don't reoccur in the future. After all, once you've experienced the discomfort and setbacks of even a brief plumbing backup, it can inspire a newfound appreciation of water's importance in everyday functions.

Don't Let Food Particles or Hairs Slip Down Drains

Clogs are generally caused when inappropriate items are flushed down the wrong pipe. For example, if food particles are rinsed down a drain in a kitchen sink that lacks a garbage disposal, those particles could simply accumulate at the j-bend without moving forward. Over time, these particles could result in a clog. A similar process occurs when hair strands are allowed down shower drains, or when anything but bodily waste and toilet paper are flushed down toilets. Usually, the clogging process builds up over repeated instances of drain abuse. In worst-case scenarios, something large and insoluble is allowed to slip down and a major clog occurs.

Dispense With Unconsumed Food in the Trash

The solution to clogs, of course, is to not allow anything but the appropriate liquids to enter your drains. Unless your kitchen sink has a garbage disposal, no food particles should be dropped in the sink, period. Whether you wash dishes by hand or run them in a dishwasher, scrape all food remnants into a Glad® bag and dispose of it in a trashcan outside for weekly pickup. Likewise, if food crumbs are leftover on a countertop after a meal has been prepared, dispose of them in the garbage, not the sink. Furthermore, a strainer should be placed over the kitchen sink faucet to prevent stray particles from making their way down the drain.

Don't Use the Toilet as a Garbage Disposal

Similar precautions should be taken with the bathroom sink, as well as the bathtub and toilet. Don't rinse shaven whiskers down the sink or empty loose hairs from combs or brushes into the toilet. Dispense with hairs, as well as finger and toe nails, in the trash instead. For showers, keep a strainer over the bathtub drain to prevent loose hairs from going down — the biggest cause of tub-drain clogs is hair wads. The toilet, meanwhile, should only be used for natural functions. Do not use the toilet to flush down overcooked pasta, used coffee grounds, old condiments, fruit or vegetable scraps, bad soups or other undesirables— regardless of how soft, thin or crumb-like a once-edible piece of food might appear.

Don't Use the Garbage Disposal as a Trash Compactor

People often think garbage disposals can handle anything, when in actuality, disposals merely function as drain facilitators. If your kitchen sink is equipped with one, the most it should be used for is to grind up soft, small, stray food remnants. Don't use the disposal to clear plates of half-consumed meals or to dispense with any of the following:

  • Pasta or rice. Foods like these continually expand as they absorb more water, which can ultimately clog a drain.
  • Oil or grease. Despite the blades, disposals lack internal scrubbing mechanisms, without which oils can leave their mark over time. This can eventually cause blade decay. Greases quickly harden once removed from heat, which can cause hard-to-remove clogs inside drain pipes.
  • Fibrous fruits and vegetables. Large produce chunks shouldn't be rinsed down a disposal anyway, but fibrous fruits and veggies can wrap around the blades. Examples of foods in this category include carrots, asparagus, potatoes, lettuce, corn, onions and celery.
  • Egg shells. The parts of food items that are inappropriate for chewing or human body consumption are generally wrong for garbage disposals as well.

If you maintain a mulch pile outside, dispense with all fruit, vegetables and coffee grounds there. Otherwise, the above foods and cooking products should all be dispensed with in Glad® or Hefty® bags in a tightly sealed trash can for weekly pickup. Use paper towels to dispose of excess oil and grease in this manner.

How to Keep Faucet and Drain Pipes in Good Shape

Problems with piping can also occur as excess pressure takes its toll. For many homeowners, water pressure is only considered inasmuch as how it might affect water bills or heating costs. Pipes are assumed to bear any amount of pressure. Therefore, shower nozzles are typically perceived as the ultimate regulator on water use in the shower.

Keep Water Pressure at Appropriate Levels

Contrary to popular belief, nozzles do not reduce the pressure of shower water — they simply regulate the incoming flow. The same amounts of water could still be flowing through the pipes and causing strain therein as the system is forced to work harder. If too much water is being pumped through the pipes per second, cumulative strain is endured on the valves, joints and piping interior, all of which can eventually lead to cracks and leaks.

An accurate way to track and regulate water pressure is with a hose-bib gauge, which are sold cheap at most hardware stores. When attached to a spigot, the gauge will read the pressure level, which should fall within the range of 40–85 psi. If pressure levels exceed that amount, a call to the plumber is in order.

Beware of High Mineral Content in Water

Another threat to plumbing systems is hard water, which is defined as water that contains excess amounts of minerals such as calcium and magnesium. These minerals can accumulate on piping interiors and gradually hamper the flow of water. Over time, hard water mineral buildup can degrade the fittings and joints along a system. In the U.S., hard water is most prevalent in northeast and southwestern states.

In homes afflicted with the problem, the marks of mineral buildup are easy to spot if whitish residue forms on faucets and showerheads. Another way to find out if your home gets hard water is to ask the water service in your municipality, which is required by law to file annual water reports with the EPA.

Soften Hard Water

Hard water can be remedied with the use of an electromagnetic softener, which will kill minerals and render water pure and healthy. Most electronic softening devices sell for under $200 and can be self-installed in any location within reach of a power outlet.

Another method — albeit an older and somewhat antiquated one — is to soften water with sodium, which acts as a mineral-dissolving agent. The drawback here is that sodium gets released into the water system. Despite this, some homeowners still opt for sodium-based softening units. If you choose to go this route, have a pre-filter installed on your incoming water supply to block sodium and chlorine from your shower and drinking water. Sodium softeners must be installed by plumbing professionals — units can sell for up to $1,000.

Call a Plumber to Snake Sewage Line/Pump Septic Tanks

If your house is linked to a municipal sewage system, have your out-pipes snaked every three to five years. Snaking will clear up bulbs, tree roots and other intrusions that might interfere with the piping under your yard. A septic tank should also be pumped two or three times per decade for clarity.

In the event that a leak occurs in your piping system, your household water supply should be shut off immediately. Therefore, it's important to know the location of your shut-off valve in order to perform this action.

Don't Allow Water to Freeze in Pipes

In the wintertime, pipes can freeze if they don't get adequate warmth. If you go on vacation for several days or more between November and February, leave your faucet dripping while you’re away to prevent your water tank from freezing. Also, put all hoses away during months when they're not in use — attached hoses can leave spigots trapped with water, which can freeze and result in pipe breaks and possibly floods. Furthermore, have insulation applied to any pipelines that are exposed in cold spaces, such as in your basement or crawl space.

Home Drain Cleaning Methods That Do Work

Products made to clear up drain clogs are formulated to provide quick satisfaction at the expense of the long-term stability of your pipes. Still, there are products you can buy over the counter to prevent clogging — it's just that they're not the kind of products that are formally sold for plumbing purposes. The products in question are baking soda and vinegar, which can clear away grease, soapy residue and other deposits from your out-line piping. No, these products don't provide the surefire, instant satisfaction of bleach, but they'll help prevent the kinds of buildups that would even make bleach a necessary purchase.

Baking Soda and Vinegar

Every day or two, sprinkle a dash of baking soda over the drain of your kitchen sink and wash it down with hot water. The cleaning properties of baking soda have the power to dissolve gunk before it takes hold. Much like it does in refrigerators, baking soda freshens up the smell of drains, which is useful for combating odors that could otherwise come into play. The same process can also be used in bathroom sinks and shower drains.

On a bimonthly basis, pour one cup of vinegar into the kitchen sink drain and allow it to saturate for half an hour. Follow that with a kettle full of scalding hot water. The acetic acid in vinegar acts as a cleaning agent that strips away foreign deposits on piping interiors.

Home Remedies for Drain Pipe Clogs

If any of your drains are clog-prone, there's a special remedy that could work wonders in freeing up the flow. The following is best done late at night before you retire for the evening:

  • Pour a half-cup of baking soda and a half-cup of salt into the drain of your kitchen or bathroom sink or tub.
  • Follow those ingredients with a half-cup of vinegar and allow all three to work their magic for about 60 seconds.
  • Follow those ingredients with a full kettle of boiling water. Don't turn on your faucet — allow the solution to work through your piping system overnight.

If you have a garbage disposal, there's an alternate method that could clear up the piping under your kitchen sink. The method involves ice cubes comprised of a water/vinegar mixture in which the water is necessary because vinegar by itself is difficult to freeze.

  • Take a designated ice-cube tray and fill it halfway with vinegar, then top that off with water. Place the tray in your freezer and wait for the cubes to form.
  • Activate the disposal and drop the cubes down. Here, the cleaning properties of vinegar are made doubly powerful by the scraping action of the sharp, icy texture.
  • Follow the cubes with a slice of any citrus fruit if you wish to counter the smell of vinegar.

Follow the cubes with a slice of any citrus fruit if you wish to counter the smell of vinegar.

When Should Water Pipes Be Replaced?

These days, the average family changes homes every seven or eight years. Thankfully, most pipelines last between 50 and 100 years. Therefore, the chances that a pipe replacement will fall on your dime could depend on the age of your home and length of your occupancy, in addition to the manner in which water is consumed and drains are treated by members of your household.

Replace Exposed Pipes When You Want, Buried Pipes When You Must

For improved water flow and quality, you might choose to have a plumber replace pipes along parts of your system. Of the extensions along your piping, the most optimal for replacement would be the exposed lengths that might be found in your basement, crawlspace and/or garage. The sections of your piping that are hidden inside wall cavities would likely be more difficult to access, and are therefore best left alone unless leaks, ruptures or corrosion occurs along those lengths.

Consider Pipe Replacement With Home Renovations

If you ever have remodeling work done on parts of your home, this would be the perfect time to determine whether your house is due for pipe replacements. If drywall is taken out, check whichever parts of your plumbing system get revealed in the process. There might be corrosion or unexpected irregularities found, or you just might wish to use this as an opportunity to replace the pipes in question. Most renovations involve some degree of plumbing work anyway, so this could be an opportunity to get lower cost re-piping done in what would otherwise be expensive, hard-to-reach areas.

The Advantages of PEX in Pipe Replacement Projects

Aside from its durability and reasonable cost, one of the reasons PEX is so popular in plumbing today is the ease with which pipes of this material can be snaked into walls with minimal or no drywall removal. The advantages over copper are three-fold: PEX is flexible, lower priced and takes only half as much time to install across a given property. Furthermore, PEX is backed by a 25-year warranty.

Don't Do DIY Drain Repairs — Call a Plumbing Professional

For the responsible homeowner, it's vital to know the basics of home drain maintenance. Nonetheless, there are times when drain pipes simply break down and need to be repaired or replaced, either partially or in full. Whether you need to schedule routine drain maintenance or have your piping system overhauled, the licensed plumbing professionals of Mr. Rooter will be at your door to provide swift, exceptional service at reasonable rates.

Contact Mr. Rooter for Plumbing in Syracuse, NY

For nearly half a century, Mr. Rooter Plumbing of Syracuse has been providing top–quality plumbing services at residences, buildings, and factories in the local area. As part of the international Mr. Rooter franchise, our commitment is to provide the best in customer service on drain pipe installations, repairs, and maintenance. Whenever you have an issue with your plumbing that needs to be remedied, one call to Mr. Rooter will have the problem fixed quickly.

Plumbing is one of the core factors of habitability in any building. When plumbing fails to function, the quality of life is compromised for everyone affected, whether the issue is down to clogged drains or ruptured pipes. At Mr. Rooter, we are all too familiar with the discomforts that people endure when plumbing goes awry — even if only for a few hours — because we've arrived at scenes where whole entire households have been unable to shower, do dishes, flush toilets, or do laundry for periods of up to a day or more. By the time we leave, however, all pipes are restored to working condition and everyone is happy.

If you find yourself in the same boat — where water fails to drain and sinks and tubs get clogged — rest assured that a call to Mr. Rooter will have the problem rectified within hours. Regardless of where a problem might be located along a piping system, there is no clog too thick or rupture too wide for us to fix.

When a house is more than 20 years old, the following symptoms may occur at some point:

  • mysterious dripping sounds in certain areas
  • rust puddles around faucets and under drain pipes
  • squeaking noises whenever water is turned on or off
  • rotten smells, seemingly from out of nowhere

If you encounter any of those symptoms, chances are your house has a plumbing leak. All around greater Syracuse, Mr. Rooter has helped residents just like you by diagnosing the problem and making the needed repairs or replacements. By the time we leave, each drain pipe system is restored to the same condition as the day it was first built.

Every now and then, homes experience the following problems:

  • backed up toilets, tubs, and kitchen sinks
  • gurgling noises from drains and toilets
  • sewage odors from drains
  • puddles in the basement

These are symptoms of a sewer system backup, in which case drain cleaning, pipe lining, pipe bursting, or hydrojetting are in order. At Mr. Rooter, we have answered calls like this on countless occasions. Knowing the inconveniences that such problems pose, we ensure that every house we service has a piping system that functions just like new by the time we're finished.

Throughout all the years that Mr. Rooter has provided piping and plumbing services to the Syracuse community, our actions have been shaped by our commitment to the needs of customers. To that end, we constantly strive to maximize loyalty and do what is best for each situation, whether a home requires piping maintenance, repairs, or new piping altogether. Contact Mr. Rooter today for residential plumbing services in the greater Syracuse area.

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