Lanco Siliconizer 1 Gal. White Elastomeric Textured Knife-Grade Crack Filler

Siliconizer Crack Filler Is a 100% elastomeric, styrene/acrylic, silicone modified white mastic for interior and exterior use. Will permanently seal leaks and bridge cracks on smooth surfaces. A flexible mastic that will adhere to any surface and fill cracks of any size. Will not crack, peel or crumble even after exposure to severe weather conditions.

• Formulated to efficiently bridge cracks and seal leaks
• UV- and mildew-resistant to maintain a neat look
• Can be painted to get the desired look and feel