How Can I Avoid Excessive Tannin Staining On My Cedar Siding?

siding companiesCedar siding is a great choice for your home’s exterior. It’s durable and naturally resists decay, which is why it’s one of the top three most popular siding materials.

However, a common problem homeowners have with cedar siding is tanning staining and extractive bleeding. Both cedar and redwood contain tannins and water-soluble extractives can bleed to the surface of the wood. This causes discoloration, which isn’t pretty.

The good news is you can avoid extractive bleeding when you paint your cedar by taking necessary precautions.

What causes extractive bleeding and how can I avoid it?

Moisture is the main problem that causes tannins to bleed to the substrate’s exterior. But it’s important to note that this isn’t something that happens naturally with cedar siding.

There are several reasons for why cedar paneling can become badly stained because of the tannins. These reasons include:

  • The cedar isn’t properly cured. Your cedar siding needs to have a moisture content of 15% or lower before it’s treated. If it isn’t cured, problems can arise with excessive staining.
  • The cedar isn’t adequately primed. Your cedar siding needs to be properly primed and sealed including all edges and cut ends before you do any staining.
  • The primer isn’t tannin-stain resistant. The primer you apply to your cedar siding needs to be tannin-stain resistant or else problems can arise with excessive staining.
  • There isn’t proper flashing prevention. Excess moisture can get behind your siding and cause more staining if the flashing or water infiltration prevention isn’t properly done.
  • The wrong nail type is used. When cedar siding is installed, it’s vital to use nails that are stainless steel or hot dipped galvanized. If the nails are the wrong type, it can cause bluish-black stains to appear where the nails are.

Where can I find siding companies near me?

There are up to 15 different types of siding you can use on your home, but cedar siding is the most popular type of wood siding for a reason. Cedar can last for up to 75 years when it’s properly maintained and only needs to be repainted every 10 to 15 years.

If you’re looking for siding companies for a siding replacement or a cedar siding installation, Side Pro has the siding contractors for you. To learn more about the benefits of cedar siding replacements, contact Side Pro today.



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Wesley Parker
Wesley Parker
2020-10-12
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After multiple bids I'm happy I chose Side Pros. They were on time every day, well priced, and the siding looks fabulous. Would absolutely use them again.
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kyle oberdorf
2020-09-22
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Jennifer Bradbury
Jennifer Bradbury
2020-08-16
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Side-Pro fixed an issue with some wavy sideboards on my home. The team that came out was fast, effective, professional -- and genuinely nice guys. They explained what they were doing, answered all my questions, and got the work done beautifully and ahead of schedule. Afterwards they followed up promptly to make sure I was satisfied and to let me know they were available for any future questions or concerns. I would absolutely recommend them to anyone needing similar work done.
Jim Acker
Jim Acker
2020-08-13
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Side Pro was a pleasure to work with from the start. I learned in the bid process that most siding and window companies are sales teams only and all the installation is sub-contracted out. It was important to me to use a firm that was accountable for the end to end job and Side Pro used full-time employees for my job. The sales person knew a lot about siding and gave me some great recommendations. He submitted a competitive price and then walked through the full job with me and the job foreman. Then the job foreman took over and was very responsive to all my questions and change orders over the course of project. The installation team was also excellent. They cleaned up every day and did really top notch work. I am very particular and they worked to understand what I was after and made it happen. Great job. The job site had COVID procedures posted, which were followed by the crew, and a safety officer dropped by on two occasions to check up on things. I honestly couldn't have asked for a better customer experience and recommend Side Pro to anyone considering new siding.
Chris Parker
Chris Parker
2020-08-06
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Top tier siding experts. We chose them for our hardie board installation
Evan Beck
Evan Beck
2019-10-24
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Side-Pro did a FANTASTIC job installing the Cemplank siding and Hardieboard trim on our new shop. The price was great and the work was top-notch. The two gentlemen doing the work were efficient and professional. Communication with DJ, the project advisor/estimator was very good. Overall I am very pleased and will definitely use them again! Highly recommended.
John Weiss
John Weiss
2018-08-30
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I am VERY satisfied! I called for a repair job. Several other companies either would not give an estimate, or could not do so for several months. I got the job done, as requested, within a couple weeks. Karl their repair specialist is pleasant to work with, as well as competent.
Ryan Sanders
Ryan Sanders
2017-12-22
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I needed crawl space vents installed with very short notice. Side-Pro set up an appointment and got the work done in a matter of days! The contractor who did the work busted his butt and was very nice. The work is excellent.


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