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It’s tough to beat the rustic, natural look of cedar shingles. Because your shingles are exposed to the outside elements and the sun’s rays, they can break down over time. Fortunately, you can protect your cedar so it continues to look vibrant and lasts for a long time. To help you handle the job, we’ve answered some of the most common questions that people have about what they can do to protect their cedar shingles.

Question 1 of 7:

Do you need to seal cedar shingles?

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  1. A transparent stain or clear waterproofing treatment will give your home a more rustic look while a colored stain offers lots of customization options. However, both options seal the wood and keep it protected from the outside elements. [1]
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Question 2 of 7:

How long do untreated cedar shingles last?

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  1. Over time, exposure to rain and sunlight will start to discolor and soften the wood. Eventually, they’ll start to rot and break down completely. [2]
    • The time it takes for your untreated cedar shingles can vary depending on the climate you live in. For instance, they may start to rot quicker in more humid areas.
Question 3 of 7:

What do you put on cedar to protect it?

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  1. Water-repellent preservative (WRP) is a generic term for a clear finish that penetrates the wood to create a protective layer that helps prevent water damage. Applying a layer of WRP can help keep your cedar shingles protected from the elements.
    • WRP doesn’t contain any pigment and adds a shiny layer over your cedar’s natural appearance.
  2. Semitransparent stains are oil-based stains that penetrate the wood to protect it from water and UV radiation. Unlike WRPs, they do contain pigments that can alter the color of your cedar shingles. Solid-color stains contain even more pigment, but also provide more protection against UV radiation from the sun. If you want to both protect your cedar shingles and add a darker color to them, go with a semitransparent or a solid-color stain.
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Question 4 of 7:

How do you seal cedar shingles?

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  1. If you’re using a clear coat WRP to seal your cedar shingles, the most efficient way is to dip-apply the preservative. Take a bundle of shingles, dip them into the container of WRP, and then allow the preservative to fully dry according to the directions on the packaging. Once they’re dry, your cedar shingles are sealed and ready to go.
  2. If you’re using a semitransparent or a solid-color stain, you can use a paintbrush to apply the stain, or you can use a pump sprayer to apply the stain to multiple shingles at once. Apply an even layer of the stain and allow it to fully dry according to the directions on the packaging. [3]
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Question 5 of 7:

How do you keep cedar shingles from turning gray?

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  1. Cedar absorbs the harmful UV rays from the sun, which can turn the wood gray over time. By applying a pigmented wood stain, you can both revitalize the look of your cedar and protect the wood from the radiation that can affect its color. [4]
    • The pigment in the stain will help absorb the UV rays and keep them from turning your cedar shingles gray.
Question 6 of 7:

How much does it cost to treat a cedar roof?

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  1. Treating your entire roof can help protect it for years and years. The total cost can vary depending on the size of your roof and the amount of labor it takes, but in the long run, it’s worth it. [5]
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Question 7 of 7:

How do you maintain a cedar roof?

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  1. Clogged gutters, branches, and leaves can cause water to pool on your roof which can break down your cedar shingles more quickly. Once in the spring and twice in the fall, clear out your gutters and remove any branches, leaves, or any other debris from your roof to help keep it healthy. [6]
    • In the fall, you may have more leaves and branches on your roof, so it’s a good idea to get up there and clean it up at least 2 times or more if needed.
  2. Shakes are the individual cedar shingles on your roof and sometimes 1 or 2 of them can wear down more quickly than the others. If you notice 1 or more of your shingles are looking discolored or rotten, contact a professional to have them properly replaced to help keep your entire roof healthy. [7]
    • Mold or mildew on 1 rotten shingle could potentially spread to others.
    • It generally costs about $60 USD per hour to replace cedar shingles. [8]
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  • Question
    How can I extend the lifespan of my shingles?
    David Bitan
    Roofing Contractor & Maintenance Professional
    David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. With over 12 years of construction industry experience, David specializes in restoring, repairing, and maintaining residential, commercial, and industrial roofs. With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches.
    Roofing Contractor & Maintenance Professional
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      Warnings

      • Wood stains and finishes can put off noxious fumes, so make sure you work in a well-ventilated area when you’re using them.
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      About This Article

      Article Summary X

      One of the best ways to protect your cedar shingles is to seal them with a stain or clear waterproofing treatment. Untreated cedar shingles will begin to rot after about 5 years. It costs about $2,500 to $4,000 to treat an entire roof, but it's worth it in the long run. A waterproofing preservative will leave a shiny layer over the top of the shingles but won't affect their color, while a stain will make the shingles darker in addition to protecting them. For more expert roofing advice, check out the full article!

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