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