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Tips for Upcoming Winter Temperatures
11/8/2019 (Permalink)
Cold temperatures can cause water pipes to freeze. Freezing in a pipe creates a lot of pressure inside the pipe and can cause the pipe to burst and likely lead to serious flooding, especially when there's no one around to turn off the water. The best prevention against frozen pipes is to keep them warm enough to stay above the freezing point. You can do this with any one of six simple steps or, better still, a combination of measures.
It is a common misconception that frozen pipes are an issue only for homes in typically cold climates. However, the homes that are actually more vulnerable to frozen pipes are those in typically warmer climates because the pipes may not be properly insulated against frigid temperatures, or they may be located in unprotected areas (or even outdoors). Abnormally cold weather puts these pipes at risk.
Wherever you live, you need to worry only about the water supply pipes, not the drain pipes. Water pipes are small, only about 1 inch in diameter or smaller. Drain pipes are 1 1/2 inches and larger and are usually made of plastic. Drain pipes carry waste water, but they do not hold water and are not pressurized like water pipes, so freezing inside drains is not a concern.
If you or your tenants are leaving for a long period of time, make sure that the heat is kept on in your property. It may be difficult to convince your tenants to leave their heat on when they are away, especially if they are responsible for paying their own utility bills. You should inform them that the heat can help prevent pipes from freezing, and if pipes freeze and burst, it can cause a lot of water damage to the property and to their possessions.
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READ MOREThe heat does not have to be kept as high as you normally would keep it if you were actually in the property, but keeping it set above 50 F is a good idea. This should provide enough heat to keep the pipes warm and to prevent any water inside from freezing.
If you are afraid a pipe will freeze, you can open the faucet fed by that pipe just a bit so the faucet drips slightly. Allowing the faucet to be open like this relieves pressure in the system. If a pipe freezes, it is actually the pressure that is created between the blockage and the faucet that will cause the pipe to burst. Allowing the faucet to be open will prevent this pressure from building up and thus keep the pipe from bursting. If the faucet is served by both hot and cold water pipes, open both faucet taps slightly, or set a single-handle faucet (such as a kitchen faucet) to warm.
Pipes are often located in cabinets. When the temperature drops, it is a good idea to keep these cabinet doors open so that the heat from the rest of the house can keep the pipes warm as well. You should also keep all interior doors open so that the heat can flow throughout the home.
Seal gaps around holes where pipes run through walls or floors, especially where the hole is letting in cold air. Use caulk or spray foam insulation (such as Great Stuff) to fill the gaps. If possible, seal holes on both the interior and exterior side of wall or floor. Cold outdoor air that gets in through holes and gaps can make a cabinet compartment, which is usually pretty cold, even colder.
Heating tape works like an electric blanket for pipes, supplying heat directly to the pipe to keep it warm curing cold spells. This can be a good solution for short sections of pipe that are at high risk for freezing and are easily accessible so you can install the tape and can monitor it for problems.
There are two types of heating tape. One type turns on and off by itself when it senses heat is needed. The other type must be plugged in when heat is needed and unplugged when not in use; it does not have an automatic or manual on/off switch. Much like a space heater, these products can be dangerous, so you must follow the product’s direction and safety procedures exactly.
Pipes that are located in areas that do not have proper insulation, such as basements or attics, may need extra insulation to keep from freezing. Pipes in basements or attics are not the only ones that may not be properly insulated from the cold. If you have had a problem with pipes freezing anywhere in your home, extra insulation could be the cure.
Pipes can be fitted with foam rubber or fiberglass sleeves to help decrease the chances of freezing. This can be an easy solution for pipes that are exposed but can get expensive if walls, floors, or ceilings have to be opened in order to properly insulate the pipe. Additional insulation can also be added to walls and ceilings to keep the pipes warm.
Insulation can help keep a pipe closer to the temperature of the water inside the pipe, but it does not add heat to the pipe and will not prevent freezing if the pipe is exposed to prolonged freezing temperatures.
From: thebalancesmb.com by: Erin Eberlin