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Fiberlock Instant Mold Stain Remover (4 GL)

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Gallon     Qty: 4
Mfr. Model #
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  • Aggressive stain remover
  • Easy application
  • pH: 12.0–14.0
  • Ready-to-use formula
  • Coverage: 200–500 sq ft per gallon
Availability: Typically in stock (Details)

Product Information

Remove Deeply Embedded Mold Stains within Minutes!

Instant Mold Stain Remover utilizes a proprietary stabilized bleach-based solution coupled with a tailored surfactant Fiberlock payload. This unique formula penetrates deep into the substrate to eliminate stains within a matter of minutes.


The most deeply embedded mold and mildew stains vanish—no scrubbing required.


Instant Mold Stain Remover works on wood and concrete substrates indoors and outside. It’s ideal for use in attic roof sheathing and basement areas.


Note: Fiberlock Instant Mold Stain Remover treats the stain only. No claim is made by this product to prevent, destroy, repel or mitigate any living organism. 





  1. Substrate should be cleaned of all gross filth and grime prior to application of Instant Mold Stain Remover.
  2. Apply undiluted for maximum stain removal. Apply with a pump sprayer that is resistant to the corrosive effects of sodium hypochlorite.
  3. Coverage is 200-500 sq. ft. per gallon depending on substrate porosity.
  4. Contain and remove all excess overspray and drippings to avoid bleaching of non-target material (e.g. fabric and carpets).
  5. Multiple applications may be required on heavily stained material.
  6. Rinse well and air dry.


More Information
Brand Fiberlock
Category Mold Stain Removers
Type Liquid
Scent Chlorine
pH 12.0 - 14.0
Dilution RTU
Material Concrete, Wood
Application Mold Remediation
Application Method Spray
Approved Use Mold Remediation
Condition New
Manufacturer Model Number 8317-1-C4
Safety Data Sheet (SDS)
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