Built-Up Roofing (BUR) - Fire Barriers

TOPCOAT® Flashing - Spray Grade



Description

TOPCOAT® Flashing - Spray Grade is a light gray, water-based 100% acrylic elastomeric sealant which is applied to seams, fasteners, flashings, and penetrations prior to the application of the TOPCOAT® Membrane. It is identical to regular TOPCOAT® Flashing - Spray Grade with the exception of viscosity. It is designed to be easily applied with an airless sprayer. Like the TOPCOAT® Membrane, it has superior adhesion, flexibility, and resistance to ultraviolet degradation.


Uses

TOPCOAT® Flashing - Spray Grade is designed for use on metal, wood, and concrete. Provides a seal along seams and around fasteners on metal roofs and excellent sealing around curbs and counter flashings. Do not apply at temperatures below 42°F. Substrate temperatures must be below 120°F when applying product.


Advantages
  • A synthetic rubber sealant that cures in the ultraviolet rays of the sun

  • Water-based; environmentally friendly and safe

  • Can be used in conjunction with Topcoat Flashing Fabric to provide a superior seam

  • Strong; forms a flexible seal that will not become brittle

  • Flexible; will expand and contract with metal roof

  • Free from plasticizers and oils that will migrate out over time

  • Required for joints, seams, penetrations, and fastener heads

  • Applied with an airless sprayer (also available in brush or trowel grade)

  • Limited material warranty available for up to 10 years*

  • Guarantees available for up to 20 years**

  • Available in 1-gallon, 5-gallon, and 55-gallon containers

For application questions, please contact GAF Contractor Services at
1-800-766-3411.


Applicable Standards

ASTM D-412, ASTM D-21-96, ASTM D-1475, and ASTM E-1644

Note: Repair leaks promptly to avoid adverse effects, including mold growth

*See warranties and guarantees for complete coverage and restrictions
** When used as a part of a multi-ply system

TOPCOAT® Flashing Spray Grade Technical Data
Application Rate: 5 gallons/125 lineal ft. of seam (6" width)
Application Method: Airless sprayer, brush, or caulking gun
Application Temp (air, surface): 42°F – 120°F
Drying Time (75°F, 50% RH):
Approximately 24 hours
Recommended Wet Mil Thickness:
105 wet mils
Recommended Dry Mil Thickness: 60 dry mils
Total Solids (by weight): 68% ± 1%
Total Solids (by volume): 56% ± 2%
Specific Gravity: 1.44 ± 0.1
Weight per Gallon: 12.0 ± 0.5 lbs
Viscosity (75°F): 140,000 ± 14,000 cps
Tensile: 225 psi ± 10%
Storage: Store in well-ventilated area at 50°F to 80°F; protect from freezing
Shelf Life: 1 Year
Clean up: Water before curing

Documents

All documents are U.S. English unless otherwise noted

Commercial Roofing EagleView Commercial Property Owners Portal Architects And Specifiers Green Roof Central




   





 
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