polyurethane flotation foam
  • polyurethane flotation foam

Flotation Foam

Flotation Foam is a polyurethane 2 part foam that, when mixed in equal parts and poured in place this foam will soundproof, insulate, or provide extra buoyancy. 2 Lb. density. Flotation range is 100-120 lbs./qt. and 480-600 lbs./gal.

This expandable foam is recommended for void filling in nonstructural applications. It can be poured underneath decks and inside cavities where a lightweight flotation foam is needed to provide buoyancy. This foam has been tested in accordance with U.S. Coast Guard Regulation # 33 CFR 183.114 . This foam is approximately 95-98% closed cell which resists absorbing water, however continuous water submersion can eventually lead to loss of buoyancy over a period of years.

 
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Tech Spec Product Info User Generated Content
  • This two-part liquid, expanding rigid urethane foam is a closed cell, pourable foam, which will resist the absorption of water.
  • The densities shown refer to the weight per cubic foot of expanded foam (12 in. x 12 in. x 12 in.).
  • Once fully cured this foam can be laminated over with any type of polyester, epoxy or vinyl ester resin without melting.
  • This product can be poured in multiple layers with excellent bonding between layers.
  • All expansion rates and times given are temperature critical. Temperatures below 75 degrees F will lower the expansion rate therefore requiring more foam. Ideal working temperature is 75 to 80 degrees F or above.
  • Accurate measuring of these products is extremely critical.
  • Working time before foaming: approx. 45 seconds
  • Time before full expansion: approx. 5 minutes
  • The lightweight foam is commonly used for filling voids, filling under decks and practically any other flotation or insulation application. Higher densities are used for architectural castings, support applications and has virtually an unlimited number of potential uses.

    Note: One Quart Kit expands to approximately 2 cubic feet, while the gallon kit expands to approximately 8 cubic feet. For more info check out the How-to's and Technical Data Sheets to the left.

Material: Polyurethane
Number Of Parts: Two Part
Type: Expanding Foam
4.5 22

REVIEW SNAPSHOT®

by PowerReviews
Jamestown DistributorsFlotation Foam
 
4.5

(based on 22 reviews)

Ratings Distribution

  • 5 Stars

     

    (14)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

95%

of respondents would recommend this to a friend.

Pros

  • Easy to use (22)
  • Protects well (4)
  • Visually pleasing (4)
  • Weather proof (4)

Cons

  • Messy (11)

Best Uses

  • Outdoors (5)
    • Reviewer Profile:
    • Casual/ recreational (9), Advanced (4), Recreational (4), Beginner (3)
    • Was this a gift?:
    • No (10)

Most Liked Positive Review

 

Excellent Product

In searching for this foam I found Jamestown to be lower in pricing for a larger amount of product. All other companies who offered this same foam were higher in price for a less...Read complete review

In searching for this foam I found Jamestown to be lower in pricing for a larger amount of product. All other companies who offered this same foam were higher in price for a less amount. [...] There was no direction in using the product so I contacted Jamestown who walked me thru step by step. Excellent customer service and I would not only recommend this product but recommend Jamestown Distributors when purchasing anything for you boating needs. I purchased a boat that had major water damage so I ripped out everything including the rooted wood and foam. I re-fliberglass and left holes to pour this foam into. The reason I am writing a blog because the directions: I used 8oz cups - 1 for part A and 1 for part b - stirred for 30 seconds mixing well - poured in and foam expanded to a very hard shell - worked great!

VS

Most Liked Negative Review

 

Flotation Foam

Product was great! The package was dented bad and was not properly packaged. Jamestown also added a $16.00 charge for handling that was not in the final price when I checked out (beware)...Read complete review

Product was great! The package was dented bad and was not properly packaged. Jamestown also added a $16.00 charge for handling that was not in the final price when I checked out (beware) I will not order from this place again. But the product worked as sold.

Reviewed by 22 customers

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5.0

Outstanding customer service + Shipping

By ScottAndrew

from Pittsburgh, Pa

About Me Casual/ Recreational

Verified Buyer
Ensign

Pros

  • Easy to Use

Cons

    Best Uses

    • Marine Restoration

    Comments about Jamestown Distributors Flotation Foam:

    This product was easy to use and gave amazing results! My only mistake was that I mis-calculated how much I would need. Which ... in turn is going to be a plus since I am now going to be able to use the surplus on additional projects. I ordered online but also used the phone in customer service which was very helpful.

    • Was this a gift?:
    • No
     
    5.0

    Worked great

    By ERIKF

    from Fort Meade, SD

    About Me Casual/ Recreational

    Verified Buyer
    Ensign

    Pros

    • Easy to Use

    Cons

    • Messy

    Best Uses

    • Floatation

    Comments about Jamestown Distributors Flotation Foam:

    I had to put a new tube in my boat for all the rigging on the inside of the hull. This stuff worked perfectly. Prepare for a HUGE mess. It is also very sticky until it dries. I spilled some on the carpet in the boat and it pulled the carpet up when I was trying to clean it off. Not a big deal as I am recarpetting the boat anyway.
    I have a tip for using this in confined areas. The area I was working in was small and I had to get it full all the way into the back. What I did was mix up a batch and pour it into a 1.5" PVC pipe with a wad of paper towel to plug one end. Then I stuck it into the area I was working on and pushed the foam out with a stick. Sorta like a giant syringe. Worked Great and turned out great.

    • Was this a gift?:
    • No
     
    5.0

    This expansion foam is excellent

    By Captain Daniel

    from Portland, OR

    About Me Professional

    Verified Reviewer

    Pros

    • Added Buoyancy
    • Easy to Use
    • Weather Proof

    Cons

    • Messy

    Best Uses

    • Added Safety Feature

    Comments about Jamestown Distributors Flotation Foam:

    I invented the innovative new I.T.S.U. Wave Master Kayak/SUP Hybrid for River Masters of Oregon. We fill our kayak/sup with this foam to guarantee flotation over many years of normal use. Normal use in Kayaking terms includes: extreme whitewater, UV exposure, standing water in voids when bilge is not emptied and salt water conditions as well as river water. This foam gives us peace of mind knowing that our customers are not going to sink our water crafts under normal recommended use.

    • Was this a gift?:
    • No
     
    4.0

    great stuff

    By pop

    from South Texas

    About Me Advanced

    Pros

    • Easy to Use

    Cons

    • Messy

    Best Uses

      Comments about Jamestown Distributors Flotation Foam:

      Pour in place foam is great for boat flotation when restoring waterlogged foam. It expands quickly and is relatively easy to work. Expansion is sometimmes hard to contain. I just let it grow and then cut off the excess.

      Work quickly after getting prepared ( especially in warm weather).

      • Was this a gift?:
      • No
       
      5.0

      Flotation Foam

      By Betty Anne Builder

      from Ithaca, NY

      About Me Casual/ Recreational

      Pros

      • Easy to Use

      Cons

      • Messy

      Best Uses

        Comments about Jamestown Distributors Flotation Foam:

        Used to fill voids under deck.

        • Was this a gift?:
        • No

        (1 of 1 customers found this review helpful)

         
        2.0

        Flotation Foam

        By eaglewings

        from ga

        About Me Casual/ Recreational

        Verified Reviewer

        Pros

        • Easy to Use

        Cons

          Best Uses

          • Outdoor

          Comments about Jamestown Distributors Flotation Foam:

          Product was great! The package was dented bad and was not properly packaged. Jamestown also added a $16.00 charge for handling that was not in the final price when I checked out (beware) I will not order from this place again. But the product worked as sold.

          • Was this a gift?:
          • No
           
          5.0

          used for flotation fo my sit in kayak

          By stringbean

          from capecod

          About Me Casual/ Recreational

          Verified Reviewer

          Pros

          • Easy to Use
          • Protects Well
          • Visually Pleasing
          • Weather Proof

          Cons

            Best Uses

            • Outdoor

            Comments about Jamestown Distributors Flotation Foam:

            I used this to fill the void in the bow of my sit in kayak. I hung the kayak upside down and poured the product in untill i was satisfied.the produt set up fast.a year later i filled the kayak with water and stayed afloat just fine. Good product.Just have help mixing it and timing it, it sets up very fast.

            • Was this a gift?:
            • No
             
            5.0

            Great Product

            By Stringbean

            from Cape Cod

            About Me Casual/ Recreational

            Verified Reviewer

            Pros

            • Easy to Use
            • Protects Well
            • Visually Pleasing
            • Weather Proof

            Cons

              Best Uses

              • Outdoor

              Comments about Jamestown Distributors Flotation Foam:

              I used this product to fill in the void in the bow of my kayak. I hung the 12' kayak from a tree branch so i could pour it in to the void in the bow. I mixed it in small batches in a paper coffee cups and gave it about 10 min to set up.You have to time it carefully it set verry fast. I rolled the kayak about 3 weeks ago and it held up fine. It made it easier to roll it back over and empty the water out so i could climb back in. Great stuff, I recomend it for flotation in any sit inside kayak or small boat bow.

              • Was this a gift?:
              • No
               
              5.0

              A little goes a long way

              By Bill

              from South Mills, NC

              About Me Casual/ Recreational

              Verified Reviewer

              Pros

              • Easy to Use
              • Good Expansion for voids

              Cons

              • No instructions

              Best Uses

              • Added floatation
              • Add Rigidness strength
              • Void filling

              Comments about Jamestown Distributors Flotation Foam:

              Did exactly what I needed, replaced foam floation that had to be removed to conduct repair. A little goes a long way, one issue with this product is determining how much is needed to fill a void. if working in small areas you needed to do in small batches.

              • Was this a gift?:
              • No
               
              4.0

              Mix, Mix ,Mix makes it work

              By Sunray 180

              from Leesburg, Ohio

              About Me Advanced

              Verified Reviewer

              Pros

              • Easy to Use
              • Not Rocket Science

              Cons

              • A Little Messy

              Best Uses

              • Boat Floatationstructure
              • Indoor

              Comments about Jamestown Distributors Flotation Foam:

              Easy to use. Accurate 1:1 ratio mix is a must.
              Mix it well, I mean real well, vigorously. The better you mix the two parts, the better it will expand. I mixed until it was about to expand out of the container, then poured.
              I used it to replace the foam in the under floor side structure of my 18 ft boat. used 2ea. gallon kits.
              I covered precut plywood boards w/6 mil plastic, poured in the void, and then and placed the boards over the void area. I sat on the boards, about 15 min. until the foam was fully expanded and hard. Pulled the boards up, Plastic will release from the foam. It filled the void and will provide support for the floor.
              Safety: This stuff gets pretty hot when expanding. Remember to protect your eyes, skin and hair (I speak from experience). This stuff will not come off easily when dry.
              Have Fun!

              • Was this a gift?:
              • No

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