FastenMaster Flex 40 Hot Melt Construction Adhesive Glue Sticks

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

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Usually Leaves Warehouse Same/Next Business Day


  • Instant tack firmly grabs materials
  • 40 seconds open (working) time
  • Full strength bond in 5 minutes or less
  • Flex Technology allows expansion and contraction over time without compromising strength
  • Bonds to a wide variety of porous and non-porous materials


Flex 40 combines the speed and elasticity of hot melt glue sticks with the strength of construction adhesives. Some of 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.


Manufacturer Part NumberFMFLEX40
Sub BrandFLEX
ApplicationPrimary Application: Carpet tack strips, Secondary Application: Wood, Plastic, Ceramic Tile, Glass, Metal, and Other Materials
Colorper box
Compatible MaterialsFlex 40 Hot Melt Construction Adhesive, Flex 180 Hot Melt Construction Adhesive
Compatible ToolsHB220 Pro Adhesive Applicator
Coverage (Linear Feet)90
Included AccessoriesFree Bit
Installation Tools RequiredHB220 Pro Adhesive Applicator
Package Quantity18
Workability40 seconds open (working) time

Weights and Dimensions

Weight (Pounds)1


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