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Nomaco® SOF® 1-1/2" Polyethylene Foam Type B Round Backer Rod

Brand: Nomaco Mfg#: SR15001
Product#: 530SR15001
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SOF® Rod is a soft bi-cellular polyethylene foam backer rod used in concrete construction. It is comprised of both open and closed cells that will not out-gas when skin is ruptured and prevents sealant bubbling and failure.


  • Is a domestic end product as defined in the buy American act, title 41 USC 10
  • Non-gassing
  • Virtually dust free
  • Meets all of the requirements of the 1990 clean air act
  • Easy to apply
  • Recyclable
  • Inert
  • Non-absorbing
  • Water resistant
  • Use with cold-applied sealants
  • Chemically inert
  • Non-exuding
  • Easy to use
  • Lightweight
  • Clean product


  • Brand: Nomaco
  • Temperature Rating: -45 TO 160 deg F
  • Tensile Strength: 43.4 psi
  • Joint Width: 1.25 in
  • Type: Type B, Bi-Cellular, Round
  • Water Absorption: < 0.030 g/cc
  • Rod Diameter: 1.5 in
  • Color: Gray
  • Material: Polyethylene Foam
  • Standards: ASTM C1330/C717
  • Density: 1.80 - 2.50 lb/cu-ft
  • Length: 6 ft
  • Usage: For Expansion and Contraction Joints, Window Glazing, Curtain Wall Construction Partitions, Parking Decks, Bridge Construction, Modular Home Gasketing and Log Home Chinking