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4" Closed Cell Backer Rod sold/ft

Mfg#: 530BR4
Product#: 530BR4
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Denver Foam Closed Cell Backer Rod, Series: IEA, 4 in Rod Diameter, 3.5 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


  • Backing for elastomeric and other applied caulking sealants
  • For use in expansion or construction joints in concrete and precast concrete walls, floors
  • Non-exuding
  • Both hot and cold installations can be installed with Denver foam backer rod
  • Denver foam backer rod
  • Inert
  • Use with cold-applied sealants
  • Denver foam is chemically inert and will resist oil, gasoline and most solvents
  • Water resistant
  • Easy to use
  • Lightweight
  • Clean product
  • Material is odorless and will not stain
  • Recyclable


  • Product Line: Backer Rod Mfg
  • Standards: ASTM Specified
  • Material: Polyethylene Foam
  • Water Absorption: < 0.030 g/cc
  • Temperature Rating: -45 TO 160 deg F
  • Joint Width: 3 in
  • Rod Diameter: 4 in
  • Density: < 1.50 lb/cu-ft
  • Tensile Strength: 29 psi
  • Color: Gray
  • Type: Closed Cell, Round
  • Length: 90 ft
  • Usage: For Expansion and Contraction Joints, Curtain Walls, Construction Partitions, Parking Decks and Bridge Construction