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Product InfoTechnical Data
Installation Instructions

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USA: English / Spanish • Canada: English / French

HENRY 451 MasterPro™ High Performance Wet-Set Carpet Adhesive

  • Extremely Versatile
  • Wet Suction
  • No Open Time Required
  • Superior Bond Integrity
  • Excellent Rebond
  • Excellent Trowelability
  • Moisture and Alkali-Resistant
PRODUCT INFORMATION
Typical Use: Traffic Type:
Installation of most commercial carpets in heavy traffic areas. Heavy Traffic
Bonds: Bonds To:
Carpet Backings: Jute, polypropylene (ActionBac™), latex unitary, urethane foam, unitary ActionBac, urethane laminate, hot melt, woven, or latex foam-backed and nonbacked needle-punched. Concrete, underlayments, wood substrates, terrazzo and existing resilient on all grade levels as recommended by the carpet manufacturer.
Warranty:

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TECHNICAL DATA

Base: Water-based/rubber-resin
Color: Tan
Taggant Color: Yellow/Orange
Next Generation: Solvent-free, nonflammable
Open Time: None - install carpet immediately into wet adhesive
Working Time: 60 minutes NOTE: Working times vary based on job conditions, substrates, temperature, and humidity.
Size: 4 Gallon
Shipping Unit: 4 Gallon: 1 pail
Weight Per Gallon: 9.8 lbs
Quantity Per Pallet: 4 Gallon: 48 pails
Shelf Life: One year if not opened
Freeze-Thaw Stable: To 10°F (-12°C) - Avoid low temperatures or multiple freeze-thaw cycles
UPC Information:

4 Gallon: 0-42369-08854-1

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INSTALLATION INSTRUCTIONS

DIRECTIONS:
Refer to carpet manufacturer’s specific recommendations. Condition the area to be installed, adhesive and carpet at 65°F (18°C) or above for 48 hours before, during and 48 hours after installation. Floor must be sound, smooth, dry, clean and free of excessive moisture and/or alkali. Remove dirt, wax, loose paint, and all other foreign matter that would interfere with a good bond such as curing agents and sealers.

  • Stir any liquid on the surface into the adhesive.
  • Full spread adhesive using recommended trowel. NOTE: Recommended trowel sizes are guidelines only, and are minimum requirements. Rough, porous concrete and heavily textured carpet backings may require deeper notches. A 100% transfer of adhesive into the carpet backing, while maintaining full coverage of the substrate, must be obtained.
  • Install carpet immediately into wet adhesive.
  • Within 60 minutes, cut, fit and reposition as recommended by the carpet manufacturer.
  • Roll floor in both directions with a 75-100 lb roller and seal seams as recommended by the carpet manufacturer. Stiff carpet should be rolled again after 2 hours. Restrict heavy traffic over carpet for 24-48 hours.
  • Protect carpet from exposure to water from cleaning and other sources for a minimum of 30 days after installation.
Application
Recommended Trowel
Coverage
Latex and urethane foam backed carpets

144-162 sq. ft.
(16-18 sq yds/gal)
Other carpet backings

90-108 sq. ft.
(10-12 sq yds/gal)

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CLEANUP:

  • Wet Adhesive: Clean, white cloth dampened with soapy water.
  • Dried Adhesive: Clean, white cloth dampened with mineral spirits; carefully following warnings on the container.

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

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