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ChimneySaver Multi-Purpose Water Repellent

ChimneySaver RTV

ChimneySaver RTV is a clear, solvent-based silicone elastomer formulated for concrete block and other highly porous masonry with minimal altering of the natural appearance.

  • Effective on hard-to-seal surfaces
  • Controls water penetration
  • Controls moisture related staining
  • UV and temperature stable
  • Ten-year warranty on vertical surfaces
  • Provides durable water repellent protection
  • 100% water vapor permeable
  • Bridges hairline cracks
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Description

ChimneySaver RTV is a clear, solvent-based silicone elastomer formulated for concrete block and other highly porous masonry with minimal altering of the natural appearance. ChimneySaver RTV penetrates and fills pores to prevent water penetration through exterior walls exposed to normal weathering. ChimneySaver RTV has excellent UV stability and provides long-lasting protection.

ChimneySaver RTV is excellent for use over siliconized acrylic concrete stains to insure a water-tight finish. It can also be used on smooth split-faced and ribbed concrete block, concrete brick, and fired clay brick. Product is not suitable for many dense masonry and concrete surfaces. Will slightly darken and add a slight gloss to surface being treated. Always test before general application to ensure desired result.

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