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Boat Deck Repair Foam

AeroMarine Products Boat Deck Repair Foam is an 8# density polyurethane pour foam. Our 8# pour foam is a very dense structural foam with thicker cell walls which support more weight. You can apply fiberglass cloth and epoxy over the cured pour foam when fixing your boat deck.

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  • 8lb. Density Foam – 10 Gallon Kit

    $432.00
  • 8lb. Density Foam – 1/2 Gallon Kit

    $66.00
  • 8lb Density Foam – 2 Gallon Kit

    $127.00
  • 8lb. Density Foam – 10 Gallon Kit

    $432.00

FAQs

Q. Is this foam compatible with styrofoam?

A. Yes. It will not “eat” or dissolve styrofoam. If you have a large cavity to fill, you can put some chunks of styrofoam in the cavity to save foam.

Q. Do I need to paint or fiberglass over the foam?

A. You probably should. Polyurethane will absorb a small amount of water, because some of the the cells are open (95%+ are closed, though). Painting or glassing will seal the foam and prevent any water absorption. However, it really shouldn’t be necessary unless the foam is constantly immersed in water, such as in a boat with bilges that are always wet. The foam is not UV resistant, so it must be painted if exposed to sunlight.

Q. Is the polyurethane foam resistant to fuel, oil, and solvents?
A. Mostly yes. It is resistant to splashes of gasoline and diesel fuel, although it will absorb a small amount because no pourable foam can be guaranteed to be 100% closed cell. A strong solvent such as acetone or toluene would eventually break the foam down, but it would take a long time.

Q. What is the maximum exothermic temperature that cured polyurethane foam can reach?

A. 250 degrees F.

Q. What is the maximum surface temperature that cured polyurethane foam can withstand before it begins degrading?

A. 200 degrees F.  The foam does not ignite. Under high heat and direct flame, it will char like wood. The foam will break down with continued exposure to excessive heat/flame.  The damaged area can be repaired by removing the damaged portion and pouring new foam into the void.

Q. Will 8# density foam fill a fiberglass cavity?

A. Yes, our 8# density foam will fill a fiberglass cavity.  

Q. How do I calculate how much 8# foam that I will need to repair my boat deck?

A. Calculate the cubic feet (length x width x height) of the area that you want to fill with 8# foam.

Call us at 1-877-342-8860

We offer FREE technical advice!

If you need help choosing the right pour foam for your application or determining the right amount of liquid foam to get, we offer free technical advice for all products! Browse AeroMarine Products’ collection of offerings, including 2 part marine epoxy, food-grade RTV mold-making silicone, and silicone potting compounds.

Aeromarine Products, Inc.

  • 9020 Kenamar Drive #206
    San Diego CA 92121
    Open Monday through Friday
    Email us at [email protected]
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  • (877) 342-8860

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