DYNAFLEX 920 COLORS Safety Data Sheet
Safety Data Sheet
DYNAFLEX 920 Premium Exterior Elastomeric Sealant
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FEATURES & BENEFITS
Meets ASTM C920, Class 25 for exterior joint sealing
Adheres to wet or damp surfaces during installation
Applies at temperatures as low as 20°F for cold-weather work
Extremely flexible elastomeric seal resists cracking over time
Waterproof and weatherproof barrier for rain, wind, and sun exposure
Self-tooling bead helps gun clean lines on windows and siding joints
Paintable after cure to match trim, siding, and exterior finishes
Excellent UV stability helps maintain performance on exposed joints
DESCRIPTION
DAP Dynaflex 920 Premium Exterior Elastomeric Sealant is a solvent-based elastomeric exterior sealant that seals gaps in siding and around windows to help prevent water and air intrusion. Use it for professional window and siding installations where you need a durable weather barrier that holds up outdoors. Its high-performance elastomeric formula handles wet or damp application and keeps working in extreme weather. It is crackproof, waterproof, and weatherproof for long-lasting protection. It applies at temperatures as low as 20°F. Dynaflex 920 adheres to wet or damp surfaces and is built to perform on window and siding joints exposed to rain, wind, and sun. It is paintable and self-tooling, helping you gun a clean bead and tool it fast. It meets ASTM C920, Class 25 for professional specification work. It has excellent UV stability to help maintain performance on exterior joints over time.
For Most Effective Application
Apply when surface temperature is between 20°F and 120°F. For exterior use only.
Proper Surface Preparation
Surface should be clean and free of old sealant, dirt and other contamination.
Dynaflex 920 Exterior Elastomeric Sealant is available in 200+ colors across industry leading manufacturers of windows, doors, siding and trim.
Dynaflex 920 Exterior Elastomeric Sealant color matches can be found at https://dap.com/specline-color-match.
Yes, Dynaflex 920 has a skin time of 5 minutes, making it resistant to job-site dirt and dust collection. Unlike silicone and hybrid sealants, the cured sealant also resists dirt and dust collection.
Dynaflex 920 adheres to a wide variety of commonly used exterior building material including vinyl, PVC trim, aluminum, fiber cement, engineered wood siding, wood, metal, and masonry.
Uncured sealant can be cleaned up with mineral spirits. Cured sealant can be cut or scraped from the surface.
TECHNICAL DOCUMENTS
Technical Data Sheets & Safety Data Sheets Related to This Product
DYNAFLEX 920 COLORS Technical Data Sheet
Technical Data Sheet
DYNAFLEX 920 CLEAR Safety Data Sheet
Safety Data Sheet
DYNAFLEX 920 CLEAR Technical Data Sheet
Technical Data Sheet
SDS
DYNAFLEX 920 COLORS Safety Data Sheet
Safety Data Sheet
TDS
DYNAFLEX 920 COLORS Technical Data Sheet
Technical Data Sheet
SDS
DYNAFLEX 920 CLEAR Safety Data Sheet
Safety Data Sheet
TDS
DYNAFLEX 920 CLEAR Technical Data Sheet
Technical Data Sheet