Check Boat For Floor Soft Spots

The holes need to be all the way around the soft spot.

Check boat for floor soft spots.

I talked to some people and they suggested drilling small holes in the soft area and injecting it with a fiberglass resin. Not sure of a great way to check for soft spots other than using your foot and bouncing your weight around throughout the deck feeling for it. They aren t near each other and they aren t real bad but you can feel the difference. Our 34ft silverton aft cab had some soft spots on the deck so instead of ripping up and having to repair the gel coat we decided to attack it from underneath.

On inboard and sterndrive boats where transom flex is not as prevalent a core sample can be taken from the inside of the transom to check for moisture or rot. It all depends on how safe you feel the boat is and how bad the rot is. Fixing small soft spots in boat floor. They are only about the size of your foot and i would like to fix them as i am going to be selling the boat.

The extra holes will give the foam a place to escape. I too have a boat that had a soft spot in the floor. I did hear from a dealer though that they changed the type of plywood they used for floors in 1995 i believe to a much better type that holds up to water and time longer. Deck and stringer system problems go hand in hand.

A soft spot in a boat floor can be surprisingly tricky to diagnose. Turned out the entire floor was rotten the stringers were rotten the transom was rotten etc. Third squeeze in the gorilla glue or sealer. If you hear a hollow sound you ll have an idea if there s a weak area.

We recommend tapping around the soft spot with the back end of a screwdriver. When noticing a soft spot on your boat you need to add more support to the structure to reinforce it as much as possible. I have 2 very small soft spots in the floor of my lund pro v. Soft spots on the deck are a sign of rotted and delaminated core materials.

Also put several in the center of the spot. One hole may not be sufficient. Hello to all i have a 18 bowrider and in 2 or 3 spots the floor feels spongy like it might be rotting out. I replaced the entire floor in one of my boats replaced a small area in another of my boats and also had a cheap boat that i didn t care about much and just screwed a piece of carpeted plywood over the soft spot to get it by so i could enjoy it right away.

When the sound becomes sharp and the material gives good feedback to the touch you know that it s stronger. I ended up ripping out the entire floor stringers the inside skin of the transom to where i had an empty hull and rebuilt the entire thing.