• Ideal for tunnels, subways and confined areas (vent shaft, steam tunnels)
  • Emits no toxins or halogen (SMP 800C)
  • Non-conductive, assuring a safe system
  • Lightweight. A 19.68 ft. (6 m) section of 4’’ (102 mm) conduit weighs approx. 15 lbs. (7 kg)
  • Nonmetallic. Will not rust or corrode
  • Thermal expansion rate is lower than RMC
  • Outstanding fire resistance (ASTM E84)
  • A more economical installation


  • Suitable for use indoors
  • Complete line of fittings and adaptors
  • Available in 1’’ to 1 1?2’’ IPS (25 mm to 38 mm) and 2’’ to 6’’ ID (51 mm to 152 mm) diameters
  • No threading or masking of joints required
  • Bell and Spigot joint for fast, easy adhesive assembly


  • Chemical Inertness. Impervious to numerous chemicals
  • Contains no chlorine, halogen or other toxic materials
  • Temperature range from -40°F to +525°F (-40°C to +274°C)
  • Class 1 fire rated (ASTM E84), NFPA 130 compliant, NFPA 502 compliant, FT4 rated (CSA)
  • Low coefficient of thermal expansion and contraction resulting in fewer expansion joints