Reflectix 4-Inch X 50-Foot Expansion Joint

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4-Inch X 50-Foot Expansion Joint


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* Estimated stock levels as of Sun, Sep 26, 2021. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.

  • Lightweight - over 11 times lighter than traditional products
  • Sturdy - will not prematurely break during job site handling
  • Resistant to moisture - virtually zero water absorption
  • Termite resistant - does not facilitate destructive termites
  • Recyclable - foam is made of recyclable resins
  • Environmentally-friendly - material is CFC and HCFC-free
  • Temperature-friendly - excellent range for cold or hot climates
  • Reusable - tear-off strip can be reused as a backer rod
  • Sealant friendly - works with a variety of common sealants


The Reflectix® closed cell foam expansion joint is the solution to your concrete placement needs. It is durable, lightweight and flexible enough to shape to contours. The product includes a 0.5 in x 0.5 in tear-off strip for applications where caulking is planned.



Material Close Cell Foam
Type Expansion Joint


Diameter 1/2 in
Length 50 ft
Width 4 in

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