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Boat repair...
- Flotation foam?
started by TRICKPaint
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July 8th 2008 at 8:56 PM
[ Modified July 8th 2008 at 9:01 PM
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TRICKPaint
Advanced Member
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1814 Posts 
Group: Members
Member Since: May 25th 2006
Location: Mount Vernon, OH, USA
Current Sled: '05 Renegade 600 HO-SDI
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I have an old 14' aluminum V-hull boat that I am replacing the bench seat wood and transom. When I removed the wood bench seats I saw that a good portion my flotation foam was gone or damaged bad from critters.
I want to replace or repair what is left.
Any good fixes?
I'm sure regular packing foam would not hold up. Let me know if you have some ideas or answers. Thanks!
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Site Supporter
Group: Site Supporters
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July 8th 2008 at 10:00 PM
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CuzzinOlaf
Sniffle Sniffle!
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598 Posts 
Group: Members
Member Since: October 31st 2005
Location: Wanderer, USA
Current Sled: 2008 Arctic Cat M8 SnoPro
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Isn't there a spray type of foam that expands? I'll look into it and try to post back tomorrow. I know it was used when my hull was rebuilt/reinforced on my jetski.
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July 8th 2008 at 10:51 PM
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TRICKPaint
Advanced Member
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1814 Posts
Group: Members
Member Since: May 25th 2006
Location: Mount Vernon, OH, USA
Current Sled: '05 Renegade 600 HO-SDI
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Quote originally posted by CuzzinOlaf
Isn't there a spray type of foam that expands? I'll look into it and try to post back tomorrow. I know it was used when my hull was rebuilt/reinforced on my jetski.
There are some 2 part expanding foam kits out there. I found one tonight for @ 30 bucks. The others I found were 70 to 100 dollars.
http://www.jamestowndistributors.com/userportal/show_product.do?pid=2198&NEXTAG
I have never used the stuff before, so I thought I would see if any of you have delt with this or have some tips.
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July 9th 2008 at 5:26 AM
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BRP-4-LIFE
Got my new rev
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5409 Posts 
Group: Members
Member Since: July 12th 2006
Location: Denmark, ME, USA
Current Sled: 2003 MXZx 440 Rev
Miles Last Season: 850
Miles This Season: 1609
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Couldnt you use normal packing foam, and then maybe glaze it with a thin layer of fiberglass?
2003 RevX 440
Pro Taper Bars
4.5" ski-doo riser
05' Summit skis
Rox Handguards + Acerbis Handguards
SPI pistons
V-Force reeds
1 3/4" track
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July 9th 2008 at 8:29 AM
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TRICKPaint
Advanced Member
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1814 Posts
Group: Members
Member Since: May 25th 2006
Location: Mount Vernon, OH, USA
Current Sled: '05 Renegade 600 HO-SDI
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Quote originally posted by BRP-4-LIFE
Couldnt you use normal packing foam, and then maybe glaze it with a thin layer of fiberglass?
The fiberglass resin would eat it up and I just dont want it to break down from vibration age and moisture.
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July 9th 2008 at 9:25 AM
[ Modified July 9th 2008 at 9:38 AM
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CuzzinOlaf
Sniffle Sniffle!
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598 Posts
Group: Members
Member Since: October 31st 2005
Location: Wanderer, USA
Current Sled: 2008 Arctic Cat M8 SnoPro
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My buddy's response to this thread.
Flatwater guys and boaters use 2lbs, it bonds to the walls and give structural support as well as flotation. 3 and 4 lb foam is just overkill because all it is adding is strength (i.e. a surfboard uses 4lb). Packing foam will not give enough positive buoyancy to provide flotation. Any urethane closed foam is supposed to be water proof but it all ends up absorbing some water.
www.uscomposites.com/foam.html
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July 9th 2008 at 9:32 AM
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Eskimobile
Average Member
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857 Posts
Group: Members
Member Since: October 27th 2005
Location: Aasiaat, Greenland
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U have to be sure that you are using marine foam, because reguler expanding foam is sucking water like a spunge.
Dont trust your sled trust your self
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