Bio Block

Return Policy
  • Mold Resistant Coating - Prevents algae, mildew and biological growth on brick, stone, masonry, and other porous surfaces
  • Algae Prevention Formula - Stops green and black staining on walls, patios, walkways and stone
  • Slip Hazard Reduction - Eliminates slippery biofilm buildup on high-traffic areas
  • Long-Lasting Protection - 6-24 months per application depending on conditions
  • 2-Year Limited Manufacturers Warranty - Bio-based, eco-friendly formula (Prop 65 compliant)

Overview

That green-black slime coating your client's patio isn't just ugly-it's a slip-and-fall lawsuit waiting to happen, swith premises liability claims averaging $30,000 per incident.

Bio Block prevents biological growth before it starts, creating an invisible antimicrobial barrier that prevents algae, mold, and mildew colonization on interior and exterior stone and masonry for 6-24 months per application. The bio-based formula meets EPA Safer Choice standards while eliminating the recurring pressure washing cycle that damages masonry surfaces over time.

Lab-Tested Performance Data
  • Biological Prevention: algae (Chlorophyta), mold (Aspergillus), mildew, lichen
  • Protection Duration: 6-24 months (varies by humidity and shade exposure)
  • Slip Resistance: maintains ASTM C1028 coefficient of friction on treated surfaces

Environmental and Compliance Standards
  • Formula: bio-based active ingredients, EPA Safer Choice criteria
  • Compliance: California Prop 65, FDA 21 CFR 178.1010 indirect food contact
  • Drying Profile: touch dry 3-5 min | Through-dry 30-60 min | Full cure 12 hrs
  • Use: suitable for interior and exterior applications

Recommended Applications

Hospitality and Commercial: Pool deck surrounds requiring ASTM C1028 slip compliance, resort walkways, and outdoor dining patios in humid Gulf Coast or Pacific Northwest climates.

Institutional: K-12 school campuses with ADA-accessible pathways, university quadrangles, and healthcare facility exterior hardscapes.

Residential Services: North-facing facades in ASHRAE Climate Zones 4A+ humid regions, shaded patios, and HOA common areas with recurring algae complaints.

Note: Not recommended for polished limestone or honed marble surfaces.

Call (888) 715-1747 or email info@flameoff.com for details

Product Details

  • Coverage: 400-800 sq ft/gallon (varies by substrate porosity)
  • Application: pump sprayer or backpack sprayer (1-2 GPM flow rate)
  • VOC Content: zero VOC (CARB 2020 compliant)
  • Finish: clear - preserves surface appearance
  • Cure Time: full cure 12 hours
  • Container Size: 5-gallon
  • Shipping: ships from CA (3-5 business days). Expedited shipping available.
  • Not available for purchase online, please reach out to our technical sales team for purchase details
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