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HENRY® 640 VinylLock™
Pressure Sensitive Vinyl Flooring Adhesive



A pressure-sensitive vinyl flooring adhesive used for the installation of all  vinyl tile, vinyl plank, and vinyl-backed sheet flooring.


HENRY 640 meets the indoor air quality emissions criteria of LEED, CHPS, the Green Guide for Health Care, and is recognized by a long list of healthy building programs.

 
Superior Moisture Resistance!!  Up to 90% RH
(see Technical Update below for detailed requirements)
 
  • Use as a pressure-sensitive or wet-set adhesive
  • Moisture and alklai resistant 
  • Long working time
  • Excellent plasticizer migration resistance
  • Outstanding initial grab and bond strength
  • Solvent free and low odor
  • Anti-microbial product protection
  • Convenient sizes: 1qt or 1gal containers and 4gal pails

 

Applications:

 

HENRY 640 is a premium, high performance flooring adhesive for the installation of vinyl-backed flooring, including solid vinyl tile, plank and vinyl-backed sheet. HENRY 640 can be used as a pressure sensitive or a wet-set adhesive. Large format tile (greater than 16" x 16" / 40.6 cm x 40.6 cm) must be installed using HENRY 640 as a wet-set adhesive.

 

Bonds To:

 

HENRY 640 VinylLock Pressure Sensitive Vinyl Flooring Adhesive bonds to porous surfaces, including suspended APA-approved wood, underlayment board, cementitious underlayments, and dry concrete on all grade levels where moisture tests meet the manufacturer’s recommendations but should not exceed 3 lbs./1000sq. ft./24 hours as determined by the calcium chloride moisture test (ASTM-F-1869).  And non-porous surfaces, including staircases, terrazzo, ceramic tile, metal, existing fully-adhered non-cushion-backed resilient floors on all grade levels, and poured polymeric floors.

 

Trowel Recommendations:

 

Porous Surface

Sq-Notch

1/16” D x 1/16” W x 1/16” A

125-150 sq. ft./gallon

 

Non-porous Surface

U-Notch

1/32” D x 1/16” W x 1/32” A

150 to 200 sq. ft./gallon
 
Porous or Non-porous Surface (alternate)

U-Notch

* 1/32” D x 1/16” W x 5/64” A

    225 - 275 sq. ft./gallon

 * Minor surface imperfections (such as concrete finishing trowel marks or pitting) must not exceed the 1/32" height of the adhesive trowel ridge (see Technical Data Preparation Section)

 
Warnings:

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)
MSDS USA (Español)


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