FlashShield® System Corrugated Stainless Steel Tubing (CSST)


FlashShield Corrugated Stainless Steel Tubing (CSST) supplies natural gas or LP gas to appliances. FlashShield is a reliable, lightning-resistant system that can be installed in all modes of construction. Flexibility and no additional bonding means quick and easy installations: FlashShield installs 30-70% faster than traditional piping methods.

  • CSST flexible gas piping supplies natural gas or liquefied petroleum gas to appliances.

Materials / Specification

  • Tubing: ASTM A240 Type 304 321 Stainless Steel
  • Jacket: UV resistant Polyethylene complying with requirements of ASTM E84 Index for Flame and Smoke.

Features & Benefits

FlashShield Offers All the Benefits of Flexible Gas Piping, with Superior Lightning

  • Only metallically-shielded CSST on the market
  • Only product that meets strict criteria of both LC1024 & LC1027
  • Highest lightning resistivity
  • Multiple layers of protection
  • Corrosion tested & approved
  • No additional manufacturer bonding required
  • Flexibility and durability allows for simple routing through complex building structures and designs.
  • Pre-marked by the foot for easy measuring and installation.
  • Minimum tubing wall thickness of .010 on all sizes is more robust than other brands of CSST.
  • Annealed 304 stainless steel makes tubing more flexible than brands not heat-treated.


  • CSA Certificate 1009875
  • ICC-ES Report No. PMG 1066 and PMG 1155
  • IAPMO: File No. C-3250 and Report No. 0239

Engineering Specs

(PDF 152kB)

FlashShield® System Corrugated Stainless Steel Tubing (CSST)

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