Best foam to use under floor? - Mountain Buzz
 



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Old 07-30-2018   #1
 
Portland, Oregon
Paddling Since: 1960
Join Date: Apr 2017
Posts: 7
Best foam to use under floor?

I have a 35-year-old bucket boat bought from a forum member who maintained it very well over the years. It has a plywood floor that is integral to the frame -- not suspended. It has a big sheet of 2-inch ethafoam (I think) under the plywood to protect the raft floor from getting mashed against the plywood on the not-so-rare occasions when it encounters a rock. The ethafoam absorbs some water over the course of a multiday trip and gets pretty heavy. Though that's not a giant problem, I'm looking for a replacement that would not absorb water, staying lighter. Any thoughts?

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Old 07-30-2018   #2
 
bighorn1478@msn.com's Avatar
 
lafayette or Grand Lake, Depends on mood, Colorado
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Join Date: May 2010
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I would get rid of the foam altogether. If you pinch the floor and get tear it is a so what. Easy to patch and you sure can't lose any value. A 35 year old boat is fully depreciated I'm thinking..I could be wrong, my wife is always saying I am.
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Old 07-30-2018   #3
 
St. George, Utah
Paddling Since: 1974
Join Date: May 2011
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I buy cross linked polyethelene, sometimes referred to as minicell from the Foam Factory. I use it instead of ethafoam for dry box pads. It comes in different densities and thicknesses. Just pick what you need from the chart on the website. It holds up fine and doesn't absorb water. It is a little slick until it gets a bit of wear or you can just roughen it up a bit with fine sandpaper if using it on a dry box. Not cheap but they offer free shipping on larger orders.
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Old 07-30-2018   #4
 
Salt Lake City, Utah
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Work on those "...not-so-rare occasions" when floor encounters rock... they can be avoided.
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Old 07-30-2018   #5
 
Portland, Oregon
Paddling Since: 1960
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Quote:
Originally Posted by B4otter View Post
Work on those "...not-so-rare occasions" when floor encounters rock... they can be avoided.
Ha! Easy for you to say!
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Old 08-02-2018   #6
 
Durango, Colorado
Paddling Since: 1979
Join Date: Dec 2014
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I would gut rid of foam altogether suspend 3/4 ply from frame, done it that way for 30 years on 18 foot raft never had a problem. Goog luck
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