Henry 546 Feather Edge Additive is used to improve the working characteristics of Henry 547 underlayment. It improves bonding and flexural strength， increases working times and shortens drying times for the recommended products. Henry 546 Feather Edge Additive can be mixed with Henry 547 UniPro and used as an embossing leveler over existing single-layer resilient flooring prior to the installation of new residential resilient flooring.
Improves bond for all recommended substrates
Enhances flexural strength over wood， metal and existing floors
Fast setting - shortens drying times for recommended products
Extends pot life， increasing working time
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