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2-1/2" Closed Cell Backer Rod sold/ft

Mfg#: 530BR212
Product#: 530BR212
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Denver Foam Closed Cell Backer Rod, Series: IEA, 2.5 in Rod Diameter, 2 in Joint Width, LDPE Foam, Gray, -90 TO 210 deg F, 50 psi Tensile Strength, 0.02 Water Absorption, 1.5 - 2 lb/cu-ft Density, Expansion Joints


  • Both hot and cold installations can be installed with Denver foam backer rod
  • Denver foam is chemically inert and will resist oil, gasoline and most solvents
  • Controls depth of sealant/Ensures proper joint design ratio
  • Denver foam backer rod
  • Closed-cell foam technology/Does not allow air or moisture entrapment
  • Easy to handle, smaller packaging/Added contractor convenience
  • Backing for elastomeric and other applied caulking sealants
  • Material is odorless and will not stain
  • Forces sealant against joint sidewalls/Provides maximum sidewall adhesion
  • Easily compressible, lightweight/Installs quickly, stays in place
  • For use in expansion or construction joints in concrete and precast concrete walls, floors


  • Rod Diameter: 2.5 in
  • Standards: ASTM C1330-96/D5249-92
  • Type: Closed Cell
  • Material: Polyethylene Foam
  • Tensile Strength: 50 psi
  • Temperature Rating: -90 TO 210 deg F
  • Water Absorption: 0.020 g/cc
  • Joint Width: 2 in
  • Color: Dark Gray
  • Density: 1.50 - 2.00 lb/cu-ft
  • Usage: For All Types of Construction, Expansion, Isolation, Control and Pavement Joints