Maxisil MaxiGrab – Strong Bond Adhesive for Indoor & Outdoor Tile Projects Tackle your toughest installations with Maxisil MaxiGrab, a powerful hybrid polymer adhesive designed for tile contractors and remodelers who demand performance. Available in MaxiGrab Original (white) and MaxiGrab Crystal (clear), this STP-based adhesive bonds to almost any surface—even damp or underwater—making it a versatile essential for bathrooms, kitchens, and beyond. Features & Benefits 1K Hybrid Polymer STP FormulaAdvanced silane-modified polymer base delivers superior grip, strength, and elasticity. Permanent Bonding PowerWithstands moisture, movement, and load—ideal for high-stress installations. Adheres to Damp or Wet SurfacesSuper wet-grab strength allows bonding even underwater. Indoor & Outdoor UseUV-stable and weather-resistant for interior and exterior applications. Two Options Available MaxiGrab Original (White) – Fast-setting, ultra-strong, high Shore-A hardness MaxiGrab Crystal (Clear) – Transparent for seamless visual integration Fast Skin-Forming TimeCuts waiting time and speeds up install with MaxiGrab Original. High Shore-A Hardness & Tensile StrengthProvides serious holding power and structural integrity. Sealant-Like FlexibilityAbsorbs movement while maintaining bond, reducing cracks and separation. 12-Month Shelf LifeLong-lasting storage without sacrificing performance. Standard 290ml (9.8 oz) TubeConvenient size fits standard caulk guns and covers a wide range of jobs. Maxisil MaxiGrab Technical Specs Attribute MaxiGrab Original (White) MaxiGrab Crystal (Clear) Base Chemistry 1K STP Hybrid Polymer 1K STP Hybrid Polymer Color White Transparent Curing Method Moisture Curing Moisture Curing Skin Formation Time Fast Moderate Application Surface Wet, Damp, Dry Wet, Damp, Dry Shore-A Hardness High Medium Tensile Strength Very High High Shelf Life 12 Months 12 Months Tube Size 290ml (9.8 oz) 290ml (9.8 oz) Application Type Interior & Exterior Interior & Exterior Paintable Yes Yes Solvent-Free Yes Yes UV Resistant Yes Yes Crystal Tech DataCrystal SDS SheetOriginal Tech DataOriginal SDS Sheet FAQs What caulk gun should I use with Maxisil MaxiGrab?A standard 12:1 thrust ratio caulk gun will work, but a 24:1 thrust ratio caulk gun is recommended for easier dispensing and better control. What is the cartridge size?Maxisil MaxiGrab comes in a standard 290ml / 9.8 oz cartridge. What is the difference between MaxiGrab Original and MaxiGrab Crystal?MaxiGrab Original is white and designed for ultra-strong bonding with high Shore-A hardness. MaxiGrab Crystal is transparent and designed for applications where a clear finish is preferred. Can Maxisil MaxiGrab be used indoors and outdoors?Yes. MaxiGrab is designed for interior and exterior applications. Can MaxiGrab bond to wet or damp surfaces?Yes. MaxiGrab is designed to bond to wet, damp, or dry surfaces when used as directed.