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Dura-Blok rooftop supports

When used in combination with B-Line series strut systems or pipe hanger systems, Dura-Blok supports offer a total solution for rooftop applications such as solar PV mounting systems, piping, HVAC equipment, roof top walkway, ducts, conduit and cable tray supports. 

Made of 100% recycled rubber, the Dura-Blok support has no sharp or abrasive edges and does not penetrate the roof, helping extend the life of the roof.  Supports are suitable for any type roofing material or other flat surfaces.  For sloped roofs, see B-Line series adjustable hinge fitting B634.


  • 100% recycled rubber construction
  • Qualifies for LEED credit
  • Reflective strip on both sides for easy visibility


  • Through-bolted channel on all sizes for added strength
  • Freeze and thaw resistance
  • UV-resistant

Quality design

  • No sharp or abrasive edges for extended roof life
  • Vibration dampening capabilities
  • No need for supplemental rubber pad
  • Will not float or blow away


  • Suitable for flat surfaces and any kind of roofing material
  • For sloped roofs, see B-Line series adjustable hinge fitting B634
  • Drainage channel through center of block to allow free water flow 

Download CAD drawings for Dura-Blok rooftop supports

Eaton's CoSPEC Specifier Center is your one-stop, comprehensive resource for CAD, BIM, PDMS, and graphical design content.   Select, view, and download design content in over 100 different formats.  

DBR4-6, Dura-Blok rooftop support
Dura-Blok rooftop support system, DBP series
Dura-blok rooftop support system, DBE10-12
Dura-blok rooftop support system, DB2318DS series
Dura-Blok rooftop support system, DB620 series
Dura-Blok rooftop support system, DB10-36