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North Coast Conduit

North Coast Conduit began manufacturing HDPE Innerduct and Conduit in 2010 as an alternative source to the ever decreasing choice of suppliers. Because of North Coast's size and attention to quality they offer the best possible value in the industry.

North Coast Conduit Smoothwall is manufactured from High Density Polyethylene (HDPE) and is intended for use in underground, aerial, and innerduct applications. Smoothwall offers superior protection and serves as an ideal raceway for future cable expansion.

Smoothwall Innerduct is available in ½", through 4" diameters. Options include:

  • Internal ribs
  • Silicone pre-lube
  • Aerial UV protection
  • Pre installed pulling tapes
  • A large variety of colors and striping
  • Multiple lengths on a reel ½" through 2"

Smoothwall Innerduct is offered in custom lengths on collapsible steel reels or in straight lengths. A full line of couplers and terminal connectors are also available.

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  • Schedule 40 Smoothwall Innerduct Schedule 40 Smoothwall Innerduct

    North Coast Conduit

    Smoothwall Innerduct Schedule 40
    Smoothwall Innerduct Schedule 40 (Available in UL and Non-UL Listed) Manufactured from High Density Polyethylene (HDPE), Smoothwall is intended for use in underground, aerial, and innerduct applications. Smoothwall offers superior protection, increase...
  • Schedule 80 Smoothwall Innerduct Schedule 80 Smoothwall Innerduct

    North Coast Conduit

    Smoothwall Innerduct Schedule 80
    Smoothwall Innerduct Schedule 80 (Available in UL and Non-UL Listed) Manufactured from High Density Polyethylene (HDPE), Smoothwall is intended for use in underground, aerial, and innerduct applications. Smoothwall offers superior protection, increase...
  • SDR11 Smoothwall Innerduct SDR11 Smoothwall Innerduct

    North Coast Conduit

    Smoothwall Innerduct SDR11
    Smoothwall Innerduct SDR11 (Non UL Rated) Manufactured from High Density Polyethylene (HDPE), Smoothwall is intended for use in underground, aerial, and innerduct applications. Smoothwall offers superior protection, increase pathways of existing duct...
  • SDR13.5 Smoothwall Innerduct SDR13.5 Smoothwall Innerduct

    North Coast Conduit

    Smoothwall Innerduct SDR13.5
    Smoothwall Innerduct SDR13.5 (Available in UL and Non-UL Listed) Manufactured from High Density Polyethylene (HDPE), Smoothwall is intended for use in underground, aerial, and innerduct applications. Smoothwall offers superior protection, increase...
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