How to Preserve Birch Logs to Make Them Last Longer

You may want to learn how to preserve birch logs if you have a home improvement project. Birch is a beautiful type of wood, and having birch accents or birch furniture can boost the visual appeal and vibe of a house. If you have a birch log as a gorgeous showpiece, you can improve the look of your home quite effortlessly. 

However, birch is easily affected by environmental changes. The birch log will be affected when the temperature changes or the humidity level increases. Knowing how to preserve the birch can help to avoid such a thing. 

Reasons to Preserve Birch

So, why do you need to know how to preserve birch logs? Woods are natural elements, which means they are prone to moisture and moulds. Moreover, birch logs are softer than other wood types, making them more sensitive and somewhat more fragile. It would help if you preserved the logs as they aren’t free from decay and damage. 

The Right Preparation

After knowing the steps to preserve birch logs, you need to prepare the things first. Although they are relatively inexpensive and easy to find, you want to make sure that you have them all instead of having to have the project with a missing item or two. Be sure to prepare:

  • Gloves
  • Paintbrush 
  • Old newspaper
  • Goggles
  • Polyurethane matte varnish. It can be in the form of a spray or the regular stuff

·        Clean the Logs

The first thing you want to do is clean the logs so they would be odourless. You can use several products to clean the wood while removing the small critters away. Moreover, you want to dry the logs so they won’t get rot or decay quickly. Consult with the hardware store clerks about which products would suit your needs – they usually can suggest the products. After you are done with the cleaning, apply the finish coat. Let it dry naturally, which generally takes around two to three days. 

·        Prepare the Logs

Make sure that you have the perfect spot for the work. It should be out of reach for pets and kids, so choosing the farthest corner would be great if you have an expansive backyard. The area should have good airflow and ventilation. If you decide to do it in your workshop, ensure that it has enough ventilation. Remember, you are dealing with varnishes, oils, and fumes. Don’t forget to wear proper gear, such as rubber gloves and a dust mask, to protect yourself. 

·        Start with Oils and Varnish

Put on your gloves and goggles. Mix oil and varnish in a container – preferable a gallon type. It should be three parts oil and one part varnish. Get a paintbrush ready so you can apply the mixture with it. Be careful when doing the mixing because bubbles will form. Stir gently and slowly. Do it in one direction so the colour would be even. After you are done, you can apply it right away or store it (if you want to use it later). If you will do the latter, put back the lid onto the container and keep the mixture in a dry place. 

·        Apply the Coat

Apply the mix with the paintbrush. Make sure that you cover the surface with enough coat. You can check by placing your hand against it flat. It shouldn’t have any shine after you do so. If you don’t apply enough coat, the effect will shine after the varnish dries off. 

·        Let It Dry

In the process of preserving birch logs, allowing proper drying time is crucial. Let it be for around two days (three would be the max), and you are good to go. If you want to apply another coat, repeat the steps. If you’re going to have a third or fourth layer, repeat the stages. Ensure that you allow it to dry correctly and adequately after each application. 

Handy Suggestions and Tips

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Here are some things to consider when you want to preserve the birch logs:

  • They shouldn’t be green. Choose the completely dry ones
  • Almost all kinds of preservatives can be used to preserve birch logs. But be sure to choose the non-harmful type or the non-toxic one so that the preservative won’t kill fungi or insects. 
  • Go with the suitable preservative for the proper log type
  • Some people may choose creosote for the process, but you should know that it may prevent the logs from being used in natural gardens or setting
  • If you don’t want to go into the trouble of dealing with the process, cut the wood to lumber and then dry it out
  • You can also try painting the logs with latex paint. It may create a darker effect, and you will have to seal it once in several years, but some people found it less troublesome than preserving it.


Q: Why do people like choosing birch?

A: It’s a renewable resource, meaning that it isn’t only easy to use, but it will never run out. It is also environmentally friendly, so you save Mother Earth when using birch. 

Q: Birch usually does last long, so what should I do?

A: That’s why you need to preserve it first before you manufacture it. With proper preservation, you can make it last longer. 

Q: What can I make birch logs into?

A: furniture, lumber, and other products. The logs are typically cut into planks or boards before processing various items. 

Q: Can I stain the birch logs? 

A: Yes, but make sure that the product is suitable (and safe) for the birch. Some of the common effects are varnish, lacquer, and polyurethane. 

Q: What is the proper way to stain the logs?

A: Do it while the logs are still wet, and it helps the liquid to penetrate the wood easily. When it has dried off completely, feel free to sand it if you want to. 


It’s up to you to choose whatever method is suitable for your needs. After you learn how to preserve birch logs, you can start soon. 

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Jack Robert

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