I just pulled up 65 Lbs of water soaked foam from the bottom of my 16’ boat. I need 1 ½” to go up to the ribs and support my thin flooring. I really don’t want to do spray foam even though I have a buddy that can do that. Dow makes a 1 ½” blue core Styrofoam Polystyrene closed cell product. Would this work?
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Waterproof foam?
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rscottp
Well-known member
Yes, the extruded blue or pink foam will work.
rscottp
Well-known member
I think so but I am not a Jon boat guy so I am not certain. I am sure someone who has done it will chime in.
Buckethead
Well-known member
It will work. I used it between the ribs in the floor and used road signs I bought for the floor. I cut the foam board to fit then used rivets to attach the aluminum floor. Then I cut foam board and put it along the sides and covered it with FRP board. I now have an open floor plan in an old duracraft.
ktsharpening
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Just don't use to much in the floor if your boat would start to fill up it will flip the foam side up.
Va Larry
Active member
Last reply was funny.
If the boat fills up with enough water to float bottom side up, does it really matter where you put the foam at that point? :shock:
If the boat fills up with enough water to float bottom side up, does it really matter where you put the foam at that point? :shock:
ktsharpening
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Yes hard to balance on the bottom of the boat. Keep the foam under the bench seats.
Buckethead
Well-known member
He's got s 16' boat, foam in the floor and along the sides is not going to flip the boat. I'll try to attach a picture of a boat in my uncle's lake. It filled with water and is still floating upright.
Buckethead
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Va Larry
Active member
All the foam must have been in the benches then. Lol
Buckethead
Well-known member
It's in the floor and sides, the bow is hollow in this boat. Mice took up residence in the bow foam so my uncle removed it all.
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