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Bostik 425 Acrylic Latex Additive 1 gallon

SKU 10031139
$19.99 each

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Product Highlights

425 Acrylic Latex Additive 1 gallon

Bostik 425 Acrylic Latex Additive - 1 gallon

Bostik� 425 Multi-Purpose Acrylic Latex Admixture is a high solids acrylic emulsion designed to improve the performance of Bostik Ceramic Tile Grout, Bostik Dry Tile Grout, Bostik Tile-Mate? Thin Set Mortars, Bostik Single Flex FS? (Fast Set) Mortar and job site prepared mortar beds.

Product Uses:
- Controls hydration rate (curing) of cement mortars and grouts
- Use with thin set mortars to provide adhesion to non-masonry substrates such as plywood,waterproofing and crack isolation membranes and porcelain tile
- Use with cement based tile grouts to help to ensure consistent cure results and better color development
- Improves water resistance of grouts, thin sets and mud beds
- Improves flexural and compressive strengths
- Helps prevent cracking grout in wood framed structures
- Use to prepare bond coats
- Use in job site prepared mortar ?mud? beds


  • Article Number
  • Intended Usage
    Residential Applications, Light Commercial Applications
  • Accessory Type
    Grout and Mortar
  • CARB Relevance


  • Box Weight
    9 lb.

Warranties & Certifications

  • Residential Warranty
    No Warranty
  • Light Commercial Warranty
    No Warranty
  • Heavy Commercial Warranty
    No Warranty

prop 65 warning This product can expose you to chemicals including Formaldehyde (gas), which is known to the State of California to cause cancer, and Methanol, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to