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Cat 5 Air Barrier

Brand: Prosoco

Cat 5 is a primary air barrier that’s applied with a sprayer or roller to above-grade structural surfaces prepared with Joint & Seam Filler and FastFlash. 

Cat 5 produces a highly durable, seamless, elastomeric weatherproofing membrane on exterior sheathing, CMU backup walls, and precast concrete. 

Proven to prevent water and air penetration of the building envelope in conditions ranging from everyday to the 155-mph winds of a Category 5 hurricane.
Features
  • ICC Evaluation Service Report No. ESR-3416
  • Silane functional polymer provides superior long term adhesion, crack bridging and weathering characteristics. Self seals fastener penetrations
  • May be spray applied or rolled
  • Bonds to most common building materials without priming to produce a durable, weatherproof membrane. Easy to repair if damaged
  • Will not tear or lose effectiveness when exposed to weather during construction
  • Bonds and cures in wet weather and on damp substrates
  • May be fully exposed to UV and weather for up to 12 months. If longer, contact for inspection
  • Single component – saves time
  • Breathable. Allows damp surfaces to dry
  • Compatible with most sealants and waterproofing or air barrier components
  • Solvent free. Isocyanate free. Phthalate free
  • No shrinkage. No staining. No yellowing
  • Will not support mold growth
  • Stops penetration of air and water under normal and extreme weather conditions
  • Air Barrier Association of America (ABAA) approved product

Specifications

Brand

Form

  • Viscous Liquid, Mild Odor, Light Brown Color

Specific Gravity

  • 1.36

Weight/Gallon

  • 11.3 lbs

Total Solids

  • 99%

VOC Content

  • < 30 g/L

Flash Point

  • > 200°F (> 93°C)

Shelf Life

  • 1 Year in Tightly Sealed, Unopened Container

Hardness, Shore A

  • 20 - 25

Tensile Strength

  • > 100 psi

Elongtaion at Break

  • > 400% (ASTM D 412)

Transfer Free Time

  • 1 - 2 Hours at 73°F (23°C), 50% Relative Humidity

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