NovaFlash Butter Grade Mastic
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NovaFlash Butter Grade Mastic is trowel applied for high-build applications or applied with a stiff-bristled brush for low-build applications. Designed for applications that require a lower thickness and less density than NovaPatch Fiber Reinforced Mastic, NovaFlash Butter Grade Mastic cures quickly and provides immediate waterproofing for short-term, long-term, and emergency repairs.
- 100% silicone rubber
- Excellent repair material for many roofing substrates
- Rain safe in 1 hour (70°F/50% RH)
- Excellent adhesion and hang
- Easily applied by trowel or stiff-bristled brush on vertical or horizontal surfaces
- Solvent-free
- VOC compliant
- Resistant to ponding water
- No hardening, chalking, crazing, or cracking
- Wide temperature application range: 10°F to 120°F
- Wide temperature performance range: -40°F to 300°F
- Available in white and black
- 5 year limited warranty
