DAP Fast Dry High Strength Spackling now with DryDex dry time indicator is a professional-grade spackling compound uniquely formulated to provide strength and fast drying capabilities allowing some repairs to be painted in as little as 15 minutes. Its ready-to-use, smooth formula spreads easily and won’t sink, shrink or crack, typically filling repairs in one coat. DAP Fast Dry High Strength Spackling is 3X stronger with superior impact resistance over traditional spackling compounds. 3x stronger - offers exceptional impact resistance compared to traditional spackling compounds Low odor - provides a low-odor formula for a more pleasant application experience One-coat application - fills repairs 1 in. wide by 1/8 in. deep in a single coat, preventing sinking or shrinking Easy-to-use formula - smooth, latex-based compound that spreads easily for professional-quality repairs Fast drying - paint-ready in as little as 15 minutes for repairs 1 in. x 1/8 in. or smaller, depending on temperature and humidity Quick clean-up - easily cleans up with water, making the process mess-free Interior/exterior use - suitable for both indoor and outdoor applications, offering versatile repair options No priming needed - eliminates the need for priming, preventing paint from flashing