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AP Fill 420

Two-Component, Highly Expansive Polyurethane Foam (1.75 to 2.25 lb/ cubic foot)

One of the most resilient void fill foams, AP Fill 420 is a two-component, high expansion, hydro insensitive polyurethane foam. It’s the top slab solution for polyurethane void fill. AP Fill 420 weighs 1.8 to 2.2 pounds per cubic foot.  For similar products, see the page on Concrete Leveling.

Available Sizes

Applications

  • Filling abandoned pipes, mine shafts, etc.
  • Filling voids.
  • Flotation foam.

Advantages

  • Unconfined expansion rate: 35 times.
  • 90% of full strength in 15 minutes.
  • High expansion.
  • Works in wet environments – displaces water.
  • Bonds with soil and concrete.
  • Closed cell.

Accessories

  • Alchatek Pump Flush
  • Alchatek Surface Guard 125
  • Alchatek Soak 130

Equipment

  • Two-component proportioner with material heaters.

  • MixMaster Pro slab lifting gun.

  • PX-7 slab lifting gun.

Download a Leak Seal or Geotech catalog.

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