Can You Use Pressure Treated Wood for Boat Trailer Bunks?

If you’re looking to replace the bunks on your boat trailer, you may be wondering if pressure treated wood is a good option. The short answer is yes, you can use pressure treated wood for boat trailer bunks. Pressure treated lumber is designed to resist rot and decay, making it an ideal choice for outdoor projects like this one.

Keep reading to learn more about pressure treated lumber and how to choose the right type for your project.

  • Cut the pressure treated wood into bunk boards that are the desired length for your boat trailer.
  • Place the bunk boards on the trailer frame in the location where you want them attached.
  • Use lag bolts and washers to attach each bunk board to the trailer frame.
  • Space the lag bolts evenly along the length of each bunk board, and make sure they are tight so the boards don’t move around.
  • Place your boat onto the trailer, and use straps or other devices to secure it in place on the bunks.

Can You Use Treated Wood on Boat Trailer?

It’s important to choose the right kind of wood for your boat trailer. Treated wood is a good option, but it’s important to make sure that the treated wood is rated for marine use. You can find marine-grade treated lumber at most hardware stores.

What Are The Most Popular Wood For Boat Trailer Bunks?

There are many different types of wood used for boat trailer bunks, but some are more popular than others. The most popular woods used for boat trailer bunks include pine, oak, fir, cypress, and cedar. Pine is a softwood that is easy to work with and is very strong. Pine is much lighter in weight than oak, making it easier to maneuver around when loading and unloading your boat.

Fir is a softwood, but it is not as strong as pine. Cedar is also a softwood that is rot resistant and has a natural ability to repel water. Oak is a strong and durable wood that can withstand a lot of wear and tear, making it ideal for use on a boat trailer.

Is Pressure Treated Wood Good for Boat Trailers?

If you’re considering using pressure treated wood for your boat trailer, there are a few things to keep in mind. Pressure treated wood is often used in outdoor applications where the wood will be exposed to moisture or insects. The treatment process involves soaking the wood in a chemical solution that helps to protect it from rot, decay and insect damage.

One of the benefits of using pressure treated wood for boat trailers is that it’s less likely to warp or rot over time. This can help to extend the life of your trailer and keep it looking its best for longer. However, it’s important to note that pressure treated wood is not completely immune to these issues and you may still need to perform regular maintenance on your trailer to ensure that it stays in good condition.

Another thing to consider is that pressure treated wood can be more expensive than other types of wood. If cost is a concern, you may want to compare prices before making your final decision. Overall, pressure treated wood is a good choice for boat trailers and can provide lasting durability and strength.

How Do You Make a Boat Trailer Bunk Board?

If you’re planning on doing any serious boating, you’re going to need a boat trailer. And if you’re going to tow your boat with a trailer, you’re going to need something called a bunk board. Bunk boards act as supports for your boat while it’s being towed, and they also help protect the hull from scratches and scrapes.

So, how do you make a boat trailer bunk board? It’s actually not that difficult, and we’ll walk you through the process step-by-step. First, you’ll need to gather some supplies.

For this project, you’ll need: 4×8 sheet of plywood, Circular saw, Jigsaw, Drill, 1 inch hole saw, Paint or Stain (optional), Marine Grade carpet (optional).

Now that you have all of your supplies, let’s get started.

1. Cut the plywood down to size. You’ll want to cut two pieces that are 4 feet long and two pieces that are 2 feet long. These will be your side rails.

2. Use the jigsaw to cut out notches in the side rails. These notches will be where the crosspieces fit into, so make sure they’re big enough to accommodate them snugly.

3. Cut your crosspieces out of the remaining plywood using the circular saw. You’ll want four pieces that are 2 feet long and two pieces that are 4 feet long.

4. Fit the crosspieces into the notches on the side rails and drill pilot holes through both pieces before screwing them together with 3 inch screws.

5. Flip over your frame and drill pilot holes along the outside edge at regular intervals (about 12 inches apart). These holes will be for attaching brackets later on.

6. At this point, you can paint or stain your frame if desired before moving onto the next step.

How Long Should Bunk Boards Be on a Boat Trailer?

Bunk boards are an important part of any boat trailer. They provide support for the hull of the boat and help to keep it in place while being towed. But how long should bunk boards be on a boat trailer? The answer to this question depends on the size of the boat being towed. For smaller boats, shorter bunk boards may be sufficient. However, for larger boats, longer bunk boards will be necessary to provide adequate support.

Ultimately, it is important to consult with a professional before deciding on the appropriate length for your particular situation.

Is Douglas Fir Good for Trailer Bunks?

If you’re in the market for a new set of trailer bunks, you may be wondering if Douglas fir is a good option. Here’s what you need to know about this type of wood before making your decision. Douglas fir is one of the most popular types of wood used for trailer bunks because it is strong and durable.

It is also relatively lightweight, which makes it easy to work with during the installation process. However, Douglas fir can be susceptible to rot and insect damage if it isn’t properly treated and maintained. When shopping for Douglas fir trailer bunks, look for boards that are straight and free of knots.

The boards should also be of uniform thickness so they will stack evenly on top of each other. If you plan on painting or staining your bunks, make sure to select boards that have been kiln-dried to avoid warping or cracking later on. To extend the life of your Douglas fir trailer bunks, treat them with a water-repellent sealer before installing them.

This will help protect the wood from moisture damage caused by rain or snow. You should also regularly inspect your bunks for any signs of wear and tear, such as cracked or splintered boards, and repair or replace them as necessary.

Boat Trailer Bunks Built to Last

Treated Or Untreated Wood for Trailer Bunks?

When it comes to choosing wood for your trailer bunks, you have two main options: treated or untreated. Treated wood is typically more expensive, but it offers a number of advantages. First, treated wood is less likely to rot or decay over time.

This means that your bunks will last longer and require less maintenance. Second, treated wood is often easier to clean than untreated wood. This can be a big advantage if you frequently transport dirty or muddy equipment on your trailer.

Finally, treated wood is generally more resistant to insect damage than untreated wood. If you live in an area with a lot of insects, this could be a very important consideration.


If you are looking to replace the bunks on your boat trailer, you may be wondering if pressure treated wood is a good option. The answer is yes. Pressure treated wood is an excellent choice for boat trailer bunks because it is rot and insect resistant. Additionally, pressure treated wood is less likely to warp or splinter than other types of lumber.

Related: Can You Use Pressure Treated Wood for Boat Bunks

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