Natural Sealer

Return Policy
  • Penetrating Masonry Waterproofer - Invisible breathable protection for brick, stone, concrete, grout, slate, and other porous surfaces
  • Efflorescence Prevention - Prevents white mineral staining and mineral deposits on masonry surfaces
  • Freeze-Thaw Protection - Prevents spalling, cracking and moisture damage in harsh climates
  • Zero VOC Formula - Water-based, eco-friendly sealer safe for interior and exterior use
  • 2-Year Limited Manufacturers Warranty - Touch dry 30 min, full cure 24 hours

Overview

What you can't see destroys masonry from within: moisture penetrates porous brick and stone, carrying dissolved salts that crystallize as ugly white efflorescence-and in freeze climates, that trapped water expands to crack and spall surfaces beyond repair.

Natural Sealer prevents this invisible damage with a breathable, nano-penetrating formula that lines pore structures without sealing them shut. Water beads off while vapor escapes, protecting historic restoration projects and new construction alike without altering the material's natural color or texture. Easy to maintain with occasional rinsing.

Lab-Tested Performance Data
  • Water Repellency: exceeds ASTM C67 brick absorption standards
  • Breathability: maintains ASTM E96 vapor transmission rates
  • UV Resistance: no yellowing or degradation (ASTM G154 1,000 hrs)
  • Efflorescence Prevention: blocks soluble salt migration per ASTM C1400

Environmental and Compliance Standards
  • VOC Content: zero (0 g/L) - LEED v4 compliant
  • Formula: water-based, no hazardous air pollutants (HAPs-free)
  • Compliance: California Prop 65, SCAQMD Rule 1113, CARB 2020

Recommended Applications

Historic Preservation: National Register properties requiring Secretary of Interior Standards-compliant treatments, landmark brick facades, and museum-grade limestone restoration.

Commercial Construction: LEED-certified building envelopes, architectural precast concrete panels, and CMU walls in ASHRAE Climate Zones 5-7 freeze-thaw regions.

Residential Hardscape: Interlocking concrete pavers (ICPI-compliant installations), natural flagstone patios, and brick driveways in HOA-regulated communities.

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

Product Details

  • Coverage rate: 200-600 sq ft/gallon (varies by ASTM C67 absorption rate)
  • Application: pad, roller, brush, or pump sprayer
  • VOC Content: zero (0 g/L)
  • Finish: invisible - preserves natural appearance
  • Cure Time: touch dry 30 min | Full cure 24 hrs
  • 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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