To foam or not to foam... that is the Question

notsunkyet

Petty Officer 2nd Class
Joined
Jun 8, 2009
Messages
198
Ok guys its been awhile since ive been on alot of other projects got the better of me over the winter! So its about time to fiinsh the Bayliner Capri redo.... when i was last on here i replaced the transom, floors and stingers... i DID NOT refoam. My question is this... i dont see how the foam will aide in bouyancy.. its internal, it does nothing to raise the displacement of the surface area of the boat nor does it help after you load it down. If it gets wet it adds alot of unwanted weight and then theres the rot that will ensue... So am i wrong in this mode of thought? Is my logic flawed? OR is it simply there to dampen hull noise ?Please all chime in and let me know... thanks Notsunkyet Kevin!
 

erikpn

Petty Officer 1st Class
Joined
Aug 23, 2009
Messages
325
Re: To foam or not to foam... that is the Question

Ok guys its been awhile since ive been on alot of other projects got the better of me over the winter! So its about time to fiinsh the Bayliner Capri redo.... when i was last on here i replaced the transom, floors and stingers... i DID NOT refoam. My question is this... i dont see how the foam will aide in bouyancy.. its internal, it does nothing to raise the displacement of the surface area of the boat nor does it help after you load it down. If it gets wet it adds alot of unwanted weight and then theres the rot that will ensue... So am i wrong in this mode of thought? Is my logic flawed? OR is it simply there to dampen hull noise ?Please all chime in and let me know... thanks Notsunkyet Kevin!

It's there for support, and to provide back up flotation if the boat is swamped to keep it from sinking to the bottom. If the foam is dry enough to provide buoyancy, it will keep the boat on the surface of the water. Used closed cell foam and it will stay dry.
 

notsunkyet

Petty Officer 2nd Class
Joined
Jun 8, 2009
Messages
198
Re: To foam or not to foam... that is the Question

It's there for support, and to provide back up flotation if the boat is swamped to keep it from sinking to the bottom. If the foam is dry enough to provide buoyancy, it will keep the boat on the surface of the water. Used closed cell foam and it will stay dry.

Ok so where do i locate the closed cell foam stuff and without taking aloan out for it?
 

erikpn

Petty Officer 1st Class
Joined
Aug 23, 2009
Messages
325
Re: To foam or not to foam... that is the Question

US composites has some.. 244 for 40 cubic feet. How big is the boat?
 

notsunkyet

Petty Officer 2nd Class
Joined
Jun 8, 2009
Messages
198
Re: To foam or not to foam... that is the Question

its a 17 foot capri bayliner it had foam in the front and down the sides under the seats
 

Smokepole27

Petty Officer 2nd Class
Joined
Jan 12, 2010
Messages
162
Re: To foam or not to foam... that is the Question

Is that the liquid foam? A buddy used it to do all of his boats! Floor is solid as a rock not heavy and more support on the hull. Make sure to drill plenty of holes in your floor for when you pour it in their it has somewhere to go or else itll pick up all your new plywood you put down.
 
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