DAP Dynaflex Ultra is an exterior sealant for windows, doors, siding and trim, formulated with Weather Max Technology to resist UV fading, chalking, crumbling, cracking and dirt build-up. It bonds strongly to most common building materials and stays permanently flexible for a long-lasting, 100% waterproof and weatherproof seal. It guns out and tools smoothly, does not bubble, and cleans up with water.

• Color: Light Gray
• Container size: 10.1 fl oz (300 mL) cartridge
• Lifetime mold, mildew and algae resistance guarantee
• Rain ready and paint ready in 1 hour with most latex and oil-based paints; use a latex primer under oil-based paint
• Meets ASTM C920, Class 35; rated for +/-35% joint movement (ASTM C719)
• Complies with AAMA 802.3 Type 1, AAMA 803.3 Type 1 and AAMA 808.3 Type 1
• Adheres to wood (painted and unpainted), cedar, aluminum, most metals, vinyl, PVC, most plastics, fiber cement, composite, brick, mortar, concrete, stone, stucco, fiberglass and glass
• Seals windows, doors, siding, trim, fascia, flashing, pipes, vents, ducts and corner joints
• Service temperature range -30F to 160F
• Coverage: up to 14 linear feet at a 3/8" bead
• Tool within 10 to 15 minutes; tack free in 30 minutes; full dry through in 24 hours; full performance in 72 hours
• Low odor, VOC compliant, easy water clean-up; interior and exterior use
• Backed by the DAP Lifetime Guarantee
• Manufacturer part: 7079818219

For best results: Apply between 40F and 100F, and not when freezing temperatures are forecast within 24 hours. Apply a consistent 3/8" bead for optimal joint protection. Joint size should not exceed 1" wide by 1/2" deep - use foam backer rod for deeper joints. Not for continuous underwater use, high-temperature surfaces or filling surface defects.

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