DAP Dynaflex 230 is a premium elastomeric latex sealant with silicone-like toughness. It pairs the durability, adhesion and flexibility of a silicone with the easy tooling, paintability, low odor and water clean-up of a latex. Highly flexible enough to absorb joint movement caused by temperature and humidity swings without cracking, it is well suited to sealing air leaks around windows, doors, siding, trim and baseboards to improve a home's energy efficiency.

• Color: Cedar Tan
• Container size: 10.1 fl oz (300 mL) cartridge
• Silicone tough, with superior flexibility and crackproof performance
• Contains no silicone - "silicone tough" describes the performance, not the chemistry; this is a latex sealant that tools easily, takes paint and cleans up with water
• 100% waterproof and weatherproof seal
• Adheres to wood (painted and unpainted), aluminum, most metals, vinyl, most plastics, plaster, drywall, glass, fiber cement, stucco, brick, stone, concrete, mortar, composite and PVC trim board
• Seals joints up to 2" wide; joint size should not exceed 2" wide x 1/2" deep - use backer rod if the joint is deeper
• Paint ready in 2 hours; cooler temperatures and higher humidity slow drying
• Tool within 10 minutes; tack free in 30 minutes; full dry through and water ready in 24 hours
• Suitable for corner joints, butt joints and tuck pointing as well as general gaps and cracks
• Cured sealant is mold and mildew resistant
• Meets ASTM C920, Class 25; rated for +/-25% joint movement (ASTM C719)
• Service temperature range -30F to 180F
• Coverage: about 55 linear feet at a 3/16" bead
• Low odor, VOC compliant, easy water clean-up; interior and exterior use
• Shelf life 12 months unopened, stored cool and dry
• Backed by the DAP Lifetime Guarantee
• Manufacturer part: 7079818412

For best results: Apply in temperatures above 40F, and not when rain or freezing temperatures are forecast within 24 hours. Cooler temperatures and higher humidity slow drying. Not for continuous underwater use or filling surface defects. Not for use in a bath or shower.

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