Dow Liquidarmor Flashing Sealant 5 Gallon Pail Shop By Product Brand
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Dow Liquidarmor Flashing Sealant 5 Gallon Pail


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LIQUIDARMOR™ - CM Flashing and Sealant is an innovative liquid flashing alternative to conventional tape. It is designed to provide commercial buildings advanced moisture and air sealing protection.

Used In

  • Joint sealant and window flashing for Dow’s commercial wall systems

Product Advantages

  • An innovative alternative to flashing tape
  • The elastomeric spray forms a tight, durable, seamless barrier along the rough openings of windows and doors while helping to significantly reduce labor time
  • Fast and easy to use, fluid applied joint treatment option which installs quickly, and conforms to complex geometries easily

Building Code Compliance

  • When used as part of THERMAX™ Wall System or Ultra Wall System, LIQUIDARMOR™ -CM Flashing and Sealant complies with the following standards listed in the codes:
  • ASTM E2357, Standard Test Method for Determining Air Leakage of Air Barrier Assemblies
  • ASTM E331, “Water Penetration of Exterior Windows by Uniform Static Air Pressure Difference.”

Typical Physical Properties

Typical Physical Properties of LIQUIDARMOR™ - CM Flashing and Sealant

Liquid Properties

Cured Properties


Grey-blue, sprayable sealant

ASTM D412 Tensile Strength

340 psi

Volatile Organic Compounds (VOC)

2.3 wt%

ASTM D412 Elongation at Break



11.4 lbs./gal.

ASTM E96 Water Vapor Transmission

4 perms

Total Solids


Accelerated Weathering AC 148, 45.2


Shelf Life

1.5 years

Nail Sealing Ability ASTM D1970/AC 148 Sec. 4.2


Brand Dow

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Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.