TotalBoat 2 Part Polyurethane Flotation Foam 2 LB Density 2-Gallon Kit

2-Part Polyurethane Flotation Foam

$49.99$99.99

Two-part expanding polyurethane foam for permanent flotation, thermal insulating, and soundproofing. Its easy-flowing formula conforms quickly to fill the cavity it's poured into. Available in 2 lb. or 6 lb. density, in 2-Quart and 2-Gallon kits.

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Product Description

TotalBoat Flotation Foam is great for filling voids, especially under decks. It’s thermal and sound-proofing abilities make it ideal for a number of other insulation and flotation applications. 94% closed-cell structure lets it maintains buoyant pressure even after prolonged exposure to water.

This 2 part pour-in-place expanding polyurethane foam reaches full expansion in about five minutes, and can be poured in multiple layers with excellent bonding between layers. The cured foam hardens into shape with minimal shrinkage, is not affected by gas or oil, and resists mold and mildew. Once fully cured, foam can be laminated over with polyester, epoxy, or vinyl ester resins.

  • Density: Available in 2 lb. or 6 lb. density foam. The densities refer to the weight per cubic foot (12" x 12" x 12") of expanded foam
  • Size: 2-Quart Kit and 2-Gallon Kit
  • Color: Brown transparent liquid (resin and activator)
  • Expansion rate: Flotation foam begins expanding 10-20 seconds after mixing, and will continue to expand for about 5 minutes (in 70-80°F conditions)
  • Compliance: Both foam densities have been tested in accordance with the USCG Regulation #33 CFR 183.114. Note: Continuous water submersion can eventually lead to loss of buoyancy over a period of years.
  • Storage: 33-95°F – DO NOT ALLOW TO FREEZE
  • Shelf life: Six months from date of manufacture

Uses for 2 lb. Density Flotation Foam

  • Lightweight foam is perfect for filling non-structural voids
  • Pour beneath decks and inside cavities to provide buoyancy

2 lb. Density Flotation Foam Specifications

  • Components: 2 (Resin and Activator)
  • Volume: The 2-quart kit expands to approximately 2 cubic ft.; the 2-gallon kit expands to approximately 8 cubic ft.
  • Compressive strength: 38 psi
  • Mix ratio by volume: 1 to 1
  • Mix ratio by weight: 100:109
  • Cream time: 45 seconds
  • Gel time: 235 seconds
  • Tack-free time: 380 seconds
  • Rise time: 400 seconds
  • Application temperature: 60-85°F or above (75-80°F is optimal for yield and cure/working times)
  • Flotation range (admixed): 75 lbs/qt and 300 lbs/gal
  • For nonstructural applications only
  • Note: Accurate measuring of resin and activator is extremely critical. All expansion rates and times listed are dependent on temperature. Temperatures below 75°F will lower the expansion rate, which will require more flotation foam.

Uses for 6 lb. Density Flotation Foam

  • Higher compressive strength is great for filling cavities to support heavy loads
  • Flotation for buoys
  • Creating sculptures and other works of art

6 lb. Density Flotation Foam Specifications

  • Components: 2 (Resin and Activator)
  • Volume: The 2-quart kit expands to approximately 3/4 cubic ft.; the 2-gallon kit expands to approximately 3 cubic ft.
  • Compressive strength: 400 psi
  • Flexural strength: 500 psi
  • Mix ratio by volume: 1 to 1
  • Mix ratio by weight: 100:100
  • Cream time: 65 seconds
  • Gel time: 150 seconds
  • Tack-free time: 215 seconds
  • Rise time: 240 seconds
  • Application temperature: 60-85°F or above (75-80°F is optimal for yield and cure/working times)
  • Flotation range (admixed): 23 lbs/qt and 92 lbs/gal
  • Note: Accurate measuring of resin and activator is extremely critical. All expansion rates and times listed are dependent on temperature. Temperatures below 75°F will lower the expansion rate, which will require more flotation foam.

California Proposition 65 Warning IconWARNING: The 6 LB. Density Flotation Foam Activator can expose you to chemicals including ethylene glycol, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov


TotalBoat Flotation Foam 2 LB Density Technical Data
TotalBoat Flotation Foam 6 LB Density Technical Data
Polyurethane Flotation Foam Resin Part A SDS
Polyurethane Flotation Foam 2 LB Density Activator Part B SDS
Polyurethane Flotation Foam 6 LB Density Activator Part B SDS

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