PROFESSIONAL GRADE™
Ceramic Tile Mastic
Product overview
Professional Grade Mastic is a high-performance adhesive designed for the interior installation of various ceramic and stone tiles, excluding moisture-sensitive marble. Bostik Professional Grade Mastic is ready to use, ensuring a fast and professional installation process. It offers excellent vertical grab, making it ideal for large-bodied tiles. Additionally, Bostik Professional Grade Mastic meets and exceeds the requirements of ANSI A136.1 Type I standards.
Geographic availability
- United States
Smart Advantages
Exceeds ANSI A136.1, Type I
Easy installation
Excellent vertical grab for most wall tiles
Professional Grade™ Substrates
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Gypsum wallboard
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APA and CANPLY Group 1 exterior grade plywood (floors only)
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Gypsum plaster
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Cement backer board
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Fully cured concrete
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Cement block
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Masonry walls
Related market & applications

Wall & Floor
- Mortar & Concrete Repair
- Wall Adhesives