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Fiberlock AfterShock Fungicidal Coating

  • For use on interior surfaces
  • Durable and easy to apply
  • EPA-registered (EPA Reg No: 73884-1)
  • 10 year warranty
  • Kills and prevents mold and mildew
Grouped product items
Product NamePrice Qty
Fiberlock AfterShock Fungicidal Coating (1 GL)
Item # RP-FLAS-01
Gallon    Qty: 1
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Fiberlock AfterShock Fungicidal Coating (4 GL)
Item # RP-FLAS-04
Gallon    Qty: 4
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Fiberlock AfterShock Fungicidal Coating (5 GL)
Item # RP-FLAS-05
5 Gallon Pail    Qty: 1
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Product Information

Fiberlock AfterShock is an EPA-registered antimicrobial coating designed to kill residual mold and mildew remaining after pre-cleaning contaminated surfaces. AfterShock also inhibits the future growth and spread of mold and mildew on the cured film surface.


This extremely durable, easy-to-apply, 100% acrylic sealant offers the ultimate in durability in combination with excellent fungicidal characteristics to address mold growth from water damage.


AfterShock is recommended for use on interior wall surfaces, such as plaster, wallboard, drywall, concrete, masonry block, wood, primed metal, and galvanized metal. Also recommended for use on interior wood framing, primed metal, concrete, and wallboard inside the wall cavity.


  1. Apply with brush, roller, or airless spray equipment.
  2. If using airless spray equipment AfterShock can be successfully applied with a 0.017-0.019 tip setting.
Additional Info

Additional Info

  • EPA Reg. No.: 73884-1 
  • EPA Est. No.: 73884-MA-1
  • Solids:
    • 41.96% ± 2 by weight
    • 32.73% ± 2 by volume
  • Viscosity at 70°F: 95 ± 5 Krebs Units
  • Specific Gravity at 20°C: 1.18
  • Flash Point: Noncombustible
  • Odor: Virtually odorless
  • Shelf Life: at 70°F: 36 months min. (original sealed containers)
  • Finish: 60° Gloss at 60 ± 5°
  • Coverage:
    • Smooth surfaces: 250-400 ft2/gal
    • Porous Surfaces: 150-300 ft2/gal
    • Spray- 50% of above
  • Dry Time at 70°F:
    • To touch: 1 hour
    • To recoat: 4 hours


More Information
EPA RegisteredYes
Approved UseMold Remediation
Max Coverage Per Gallon400
Warranty10 Years
ApplicationMold Remediation
Xactimate CodePNT S+++ Seal the Walls and Ceiling with an antimicrobial coating - one coat
Safety Data Sheet (SDS)
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