One hole may not be sufficient.
Check boat for floor soft spots.
Say one every few inches.
I have 2 very small soft spots in the floor of my lund pro v.
When noticing a soft spot on your boat you need to add more support to the structure to reinforce it as much as possible.
It all depends on how safe you feel the boat is and how bad the rot is.
I use a very short drill bit so i do not go through the other side of the boat.
Deck and stringer system problems go hand in hand.
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.
Soft spots on the deck are a sign of rotted and delaminated core materials.
Fixing small soft spots in boat floor.
Also put several in the center of the spot.
We recommend tapping around the soft spot with the back end of a screwdriver.
A soft spot in a boat floor can be surprisingly tricky to diagnose.
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.
If you hear a hollow sound you ll have an idea if there s a weak area.
The soft spots tend to be small enough at first so you need to make sure that the overall surface you are working on allows you to apply the epoxy and fiberglass properly.
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.
When the sound becomes sharp and the material gives good feedback to the touch you know that it s stronger.
Turned out the entire floor was rotten the stringers were rotten the transom was rotten etc.
The holes need to be all the way around the soft spot.
I talked to some people and they suggested drilling small holes in the soft area and injecting it with a fiberglass resin.
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 too have a boat that had a soft spot in the floor.
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.
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.
They aren t near each other and they aren t real bad but you can feel the difference.
Third squeeze in the gorilla glue or sealer.
