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 HENRY 256

Dual Purpose Carpet and Sheet Flooring Adhesive​​

A premium dual purpose adhesive for installing carpet and felt-backed sheet flooring in light to moderate traffic areas.


  • Premium installer grade
  • Quick initial grab
  • Ample working time
  • Solvent free and low odor
  • Moisture- and alkali-resistant
  • Antimicrobial product protection
  • Use for multiple carpet backings and felt-backed sheet flooring




HENRY 256 Dual Purpose Carpet and Sheet Flooring Adhesive is used for the installation of carpet in light to moderate traffic areas, as well as for the installation of felt-backed sheet flooring.


Bonds To:


HENRY 256 Dual Purpose Carpet and Sheet Flooring Adhesive bonds commercial carpets including foam-backed, jute, polypropylene (ActionBac™), unitary, latex foam-backed, latex unitary, non-backed needlepunched, unitary (ActionBac™), hot melt, woven, and urethane laminate, as well as felt-backed sheet flooring to concrete, wood and wood underlayments (wood subfloors should be suspended), existing well-bonded resilient flooring (not perimeter-bonded or cushion-backed), terrazzo, marble, and polymeric poured floors, properly-mixed and applied underlayments and embossing levelers, primed poured-in-place gypsum subfloors, and radiant-heated subfloors where the surface temperature does not exceed 85°F (29°C).


Trowel Recommendations:


Smooth-Backed Carpet


3/32” D x 3/32” W x 3/32” A

144-162 sq. ft./gal.

(16-18 sq. yd./gal.)


Rough-Backed Carpet


1/8” D x 1/8” W x 1/16” A

90-108 sq. ft./gal.

(10-12 sq. yd./gal.)


Felt-Backed Sheet Flooring

1/16” D x 1/16” W x 1/16” A

140-160 sq. ft./gal.

(16-18 sq. yd./gal.)





W.W. Henry Company warrants that HENRY 256 will not break down or lose its cohesive strength due to manufacturing or formulation defect for 5 years from the date of installation for jute, polypropylene (ActionBac™), nonbacked needlepunched, urethane foam, latex foam (rubber), and unitary carpet backings, and 1 year from date of purchase when used with unitary (ActionBac™), hot melt, woven, urethane laminate carpet backings, and felt-backed sheet flooring, 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​


 Technical Data Reference


 Safety Data Sheets