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HENRY® 314 ReadySet™
Premixed Mastic Adhesive

A fast-grab adhesive for installing ceramic
tiles on floors, walls, countertops & showers.
  • Fast initial grab
  • Long working time
  • No open time required
  • Pre-mixed for easy installation
  • Versatile
  • Good trowelability
  • Moisture-resistant
  • Convenient sizes: 1 qt and 1 gal containers or 3.5 gal pails


HENRY 314 ReadySet Premixed Mastic Adhesive is a premium, installer-grade adhesive for the installation of ceramic tiles on floors, walls, and countertops as well as in shower enclosures.  It allows the quick and efficient setting of porcelain, quarry stone, ceramic, and mosaic tiles.

Bonds To:

HENRY 314 ReadySet Premixed Mastic Adhesive bonds ceramic and quarry tile, 6” x 6” or smaller, or mosaic tile.  (DO NOT USE for lug-back ceramic tile or pre-grouted wall tile sheets.)  This adhesive bonds to concrete, concrete block, gypsum drywall, plaster, underlayments, wood substrates, brick, and existing ceramic tile on all grade levels as recommended by the ceramic tile manufacturer.  Glossy painted surfaces and glazed ceramic tile must be abraded.  DO NOT USE over mortar beds or in gang showers or over walls made of plywood, particleboard, or cement asbestos board.

Trowel Recommendations:

Ceramic and Porcelain Tile ( Larger than 6” x 6”) and all Quarry Tile
1/4” D x 1/4” W x 1/4” A
30 sq. ft./gal.

Ceramic Tile (6" x 6" or smaller)
5/32” D x 3/16” W 
50 sq. ft./gal.


The W.W. Henry Company warrants that HENRY 314 will not break down or lose its cohesive strength due to manufacturing or formulation defects for 10 years from the date of installation, subject to certain exclusions and limitations set forth in the warranty, if used for its stated purpose and applied in accordance with the stated instructions. 


Carefully read and follow all cautions and warnings on the product label.  Refer to the Material Safety Data Sheet for additional product information. 

Tech Support:  800.232.4832

Click Below for Technical and Specification Documents:

Tech Info & Installation (English)
Tech Info & Installation (Francais)
Tech Info & Installation (Espanol)
SDS US & Canada (English)
MSDS Canada (Français)

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