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How to Construct a Simple Boat

Step 8Check Your Seams

Check Your Seams
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  • birdbath.JPG
  • adding water.JPG
  • recaulking materials.JPG
  • light.JPG
  • start caulking.JPG
  • thinned paint.JPG
  • puttied seam.JPG
Next you need to make sure you don't have any serious leaks.
If you live near a river or lake or other calm body of water that you can put your boat in without anyone bothering it just launch it and leave it for a couple days. It may sink but after a couple days in the water the seams should have swelled up making it water tight. If it did sink pull it out of the water, empty it and launch it again checking for leaks.

If you don't have easy access to water you can just take it outside and set it up on sawhorses or cinderblocks, make sure it's well supported so the planking doesn't pull away from the sides under the weight of the water. Then fill it half full of water (or enough to cover all your seams). It will probablly leak a bit the first few days but after the third if water is still leaking out mark where it's comming from, dry out the boat and seal those spots by recaulking them. then repeat the process until you've got a sound boat.
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