Henry 314 Ready Set 3.5 Gal. Premixed Mastic Adhesive

Item # 305266781 | Henry Part # 12257 | UPC Code 081833001884 | UNSPSC Code 31201600
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Product Overview

Henry 314 ReadySet Gallon Premixed Mastic Adhesive is a premium, installer-grade adhesive yet fez enough to use as a DIY project. Ready to use out of the pail/premixed. Grout in 24 hours. Spreads quickly and easily. Formulated for the installation of ceramic tiles on floors, walls, tub surround and countertops as well as in shower enclosures. It allows the quick and efficient setting of porcelain, quarry stone, ceramic, and mosaic tiles. Because the Henry mastic allow for minimal sag it is perfect for hanging kitchen walls and backsplashes. Also, ideal for Bathroom backsplashes and walls. Henry is Made in the USA. Meets and exceeds the ANSI A 136.1 Type 1 standard. Backed by the Henry 10 Year warranty. This is a Greenline product.

  • Pre-mixed for easy installation
  • Moisture-resistant
  • No open time; ready to use out of bucket and long working time
  • Fast initial grabs tile and holds in to place
  • Little to no sag makes it perfect for the kitchen walls and backsplashes
  • Ideal for bathroom backsplashes and walls
  • Perfect for any wall where moisture is not highly prevalent
  • Greenline product
  • Exceeds ANSI A 136.1 Type 1
  • Henry 10-year warranty
  • Use for setting porcelain, quarry, stone, ceramic & mosaic tile
  • Spreads quickly and easily


Commercial / Residential
Floor Compatibility
Stone, Tile
Manufacturer Warranty
10 years
Maximum coverage area (sq. ft.)
Product Weight (lb.)
Product Width (in.)
Standard Color Family
Total Square Footage Covered


10 years