A high-performance patching compound, formulated to stop running water through deep cracks, holes and imperfections in concrete surfaces. It creates a watertight seal in about 3-5 minutes. Works both above and below ground level. Interior/exterior use.

• 2.5 Lb
• High-performance patching compound
• Watertight seal in about 3-5 minutes
• Works both above and below ground level
• Interior/exterior use