Fluid Applied Membrane Air Barriers (MM)

Momentive Performance Materials

Specification Details

8.5" x 11"
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Fluid Applied Membrane Air Barriers

Use this free downloadable 3 part specification to specify Elemax 2600 AWB fluid-applied silicone air barriers for exterior wall assemblies.

A single coat of Elemax 2600 AWB cures quickly to form a durable membrane that is both vapor-permeable and airtight. It is UV-resistant upon cure and maintains its elasticity even after years of exposure to weather extremes.

GE’s Silicone AWB is NFPA 285 compliant for all assemblies and compatible with gypsum sheathing, OSB board, EPS insulation, Polyiso, spray foam, concrete, and fiberglass sheathing.

Indefinite life expectancy and allows continuous exposure to UV and water without damage.

A few unique attributes to mention:

  • Flexible application range of 0 – 150˚F
  • 90% solids, 100% silicone polymer
  • Single coat, no primer required.
  • Permeable – ASTM E96 WVT of 10.2 perms, wet method.
  • Spray or roller applied.
  • Medium build air barrier (17 mils)
  • Allows continuous UV exposure without damage
  • Can be used in a ventilated rain screen assembly without concern for UV exposure at seams.
  • Water-resistant (will not wash out over time)
  • Rain ready in 30 minutes.
  • Will not crack, remains flexible
  • Silicone is always compatible with itself, even 20 years later.


Related Info:

Installation Video

Technical Overview of AWB’s

ICC-ES report

NFPA 285 Info

For additional information, visit Elemax 2600 AWB webpage or contact GE Silicones by calling 877-943-7325 or by email at [email protected].


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Fluid Applied Membrane Air Barriers by Momentive

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