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How To Seal Transom Bolts

There are many ways to seal a transom, but one of the most effective is to use bolts. Bolts provide a strong seal that will keep water and other elements out of your boat. When sealing a transom with bolts, it is important to use the proper size and type of bolt for the job.

In addition, you will need to use a sealant that is compatible with the materials you are using.

  • Get a tube of marine sealant and a putty knife
  • Open up the tube of sealant and apply it to the bolts
  • Use the putty knife to spread the sealant evenly around the bolts
  • Let the sealant dry for 24 hours

Outboard mounting tips – How to seal transom HOLES!

How do you seal a transom?

If you’re looking to seal a transom, there are a few things you’ll need to do. First, you’ll need to clean the area around the transom. This will ensure that the sealant will adhere properly.

Next, you’ll need to apply a bead of sealant around the perimeter of the transom. Once you’ve done this, you can use a roller or brush to smooth out the sealant. Finally, you’ll need to allow the sealant to dry for the recommended amount of time before using the area.

How do you waterproof a bolt hole?

Waterproofing a bolt hole is a simple process that can be done with a few common household materials. First, clean the area around the bolt hole with a mild soap and water solution. Next, apply a generous amount of silicone caulk to the hole, making sure to smooth it out so that there is an even layer.

Finally, cover the hole with a small piece of duct tape or another waterproof material. Allow the caulk to dry for 24 hours before testing the hole for waterproofing.

How do you tighten a transom bolt?

It is generally advisable to use a washer when tightening a transom bolt. This helps to distribute the load and prevent the bolt from loosening over time. To properly tighten a transom bolt, first insert the bolt through the washer.

Next, insert the bolt through the predrilled hole in the transom. Once the bolt is in place, use a wrench to tighten the bolt until it is snug. Be careful not to overtighten the bolt, as this can strip the threads or break the bolt.

How do you transom an outboard bolt?

In order to transom an outboard bolt, you will need to first remove the transom bolts that are holding the outboard in place. Next, you will need to remove the outboard motor from the boat. Once the outboard motor is removed, you will need to take the outboard bolt and place it through the transom.

Finally, you will need to reinstall the outboard motor and reinstall the transom bolts.

how to seal transom bolts


How to seal outboard mounting bolts

If your outboard is mounted on an aluminum boat, it’s important to seal the mounting bolts to prevent corrosion. Here’s how to do it: 1. Clean the area around the mounting bolts with a wire brush or sandpaper.

This will help the sealant adhere better. 2. Apply a generous amount of sealant to the threads of the mounting bolts. 3. Tighten the bolts until the sealant starts to squish out from between the threads.

4. Wipe away any excess sealant. 5. Let the sealant cure for 24 hours before using the outboard.

Sealing through hull bolts

If you’re looking to do a little work on your boat this winter, one project you might want to consider is sealing through hull bolts. This is a relatively simple project that can make a big difference in the long run. Through hull bolts are the bolts that hold your boat’s through hull fittings in place.

Over time, these bolts can loosen and even start to leak. So, it’s a good idea to check them periodically and tighten them up as needed. To seal through hull bolts, you’ll need some marine grade sealant.

You can find this at most boat supply stores. Once you have the sealant, simply apply it to the threads of the bolts. Be sure to get a good amount on there, as you want it to fill any gaps and create a good seal.

Then, just screw the bolts back in place. That’s all there is to it! By sealing your through hull bolts, you can help prevent leaks and keep your boat in good shape for years to come.

Best sealant for outboard mounting bolts

If you’re looking for the best sealant for outboard mounting bolts, you’ve come to the right place. In this blog post, we’ll provide detailed information about what to look for in a sealant and how to apply it properly. When it comes to sealants, there are many different options on the market.

But not all sealants are created equal. For outboard mounting bolts, you’ll want to choose a sealant that is specifically designed for marine applications. This type of sealant will resist salt water and UV rays, which will help to prolong the life of your bolts.

To apply the sealant, first clean the surface of the bolt with a degreaser. Then, apply a bead of sealant around the circumference of the bolt. Be sure to apply the sealant to the threads as well.

Finally, tighten the bolt until the sealant is compressed. It’s important to choose the right sealant and to apply it properly in order to get the best results. By following the tips in this blog post, you’ll be well on your way to prolonging the life of your outboard mounting bolts.


If your boat has a transom, it’s important to keep an eye on the bolts that hold it in place. Over time, these bolts can loosen and even fall out, which can cause serious damage to your boat. Luckily, it’s easy to prevent this from happening by simply sealing the bolts with a product like Permatex Threadlocker Blue.

This will keep the bolts tight and secure, and help to prevent any future problems.

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