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Should You Install Plumbing in an Exterior Wall? Here’s What You Should Know

Exterior Wall

Your water pipes are an important part of your home, and ensure that your pipes are constantly working 24/7 regardless of the season. Hiring a professional plumber is also a must to prevent plumbing disasters later. A professional plumber will also help you navigate the plumbing process and specific codes and regulations needed during the pipe installation. 

While pipes are installed inside the house, there are also instances where pipes go to the outside wall, which leaves us wondering whether it is okay to install plumbing in an exterior wall. Here’s what you should know about exterior wall plumbing installation. 

Common places to install pipes in an outside wall 

Among common areas in a home to install pipes in an exterior wall include the following: 

     

      • Kitchen sinks facing a window 

      • Basement bathrooms 

      • Attic 

      • Laundry box 

      • Showerheads installed in a ceiling 

    What you need to know about installing plumbing systems in an exterior wall

    Installing a pipeline in an exterior wall can be detrimental, especially if you live in a cold area. Otherwise, it could freeze and lead to damage. That is why pipes installed outdoors should be insulated. Older homes also usually have installed pipes in their exterior walls, mainly because it is the only location they can do so. 

    But as much as possible, it is better not to install plumbing in the cold outdoors or unheated attic or basement areas. Instead, it is best to install your water pipes inside the house. As mentioned, pipes should be insulated if you have to install them outside the home. Also, you must air-seal the wall cavity by adding caulk or foam to the seams and holes to prevent heat loss. Anything that should be done to ensure that your pipes won’t freeze, you do it. 

    Why should you insulate installed pipes in an exterior wall? 

    Here are why you should insulate water pipes installed in an exterior wall. 

    Energy-saving 

    Pipe insulation helps in saving energy by lessening heat loss through the pipes. The Department of Energy’s Structure America program study revealed that circulation heat loss in pipes without insulation could be as much as 23%. Installing insulation pipes can help you save up to 5% water heating energy usage annually. 

    If pipes are installed in an exterior wall, make sure the lines are well-insulated. Choose the best pipe insulation for your plumbing and home because each has specific pipe insulation needs. 

    Available in different options 

    Plumbing insulation is also available in different choices, such as fiberglass batts, tubular pipe sleeves, and spiral insulation wrap, among a few. As mentioned, it depends on your plumbing needs at home. 

    Installing plumbing in an exterior wall should be avoided as much as possible. But sometimes, it cannot be avoided because the house is already old. If it cannot be helped, make sure it has enough insulation so your pipe won’t freeze from the cold and lead to damage. Better yet, hire a professional plumber in Franklin, TN, for your plumbing needs. 
    Exterior Wall

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