FastenMaster FLEX 40 Hot Melt Construction Adhesive

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Quick ID: Q883
Ships for $8.95 or Free with $99 Order

In Stock

Usually Leaves Warehouse Same/Next Business Day

Helpful Hint

For best results, use with the FastenMaster FLEX HB220 Pro Adhesive Applicator (sold separately).


  • 18 sticks
  • Instant tack firmly grabs materials
  • 40 seconds open (working) time
  • Full-strength bond in 5 minutes or less
  • Allows expansion and contraction over time without compromising strength
  • Bonds to a wide variety of porous and non-porous materials
  • For interior use only


FLEX 40 combines the speed and elasticity of hot melt glue sticks with the strength of construction adhesives. Its many versatile uses include carpet tack strips to concrete, floor transition strips, wood moldings and trim, vinyl cove and stair nosings, ceramic and glass tile repair, and more. Without compromising strength, the Flex technology allows for expansion and contraction. Flex 40 offers 40 seconds of open (working) time, instant tack, and a full-strength bond in 5 minutes or less. For best results, use with the FastenMaster HB220 Pro Adhesive Applicator (sold separately).


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