PerformaFlex XT Insulated PEX performance details

PerformaFlex XT Insulated PEX with .67° temperature loss per 100 feet

4-Inch Dual Wall Outer Casing

"Of all of the products that I have developed, PerformaFlex XT is the one I am most excited about. It is our premium insulated PEX and gaining great traction in the HVAC WS market. XT is available through national names like Fergusons and Johnstone as well as from Z Supply." — Jezz Zack, PerformaFlex XT

The Final Answer to Solid Foam Pipe

PerformaFlex XT is our definitive answer to the solid foam pipes. It features excellent performance, flexibility, and extreme toughness.

Within our 4-Inch dual wall outer casing you will find our proprietary R-Foam additive enhanced, radiant barrier covered, polyethylene foam. R-Foam has 40% higher thermal effectiveness than standard polyethylene foam. R-Foam is covered with a highly effective radiant barrier.

We are the only insulated pipe manufacture to give you the R-Foam advantage. We have it manufactured for us to our specifications and laminate the radiant barrier in our own facility. We also have the extreme duty dual wall outer casing manufactured to our specifications.

The XT (eXtra Tough) outer casing remains very flexible with an 18-inch bending radius. No other radiant-barrier style insulated PEX product can match it for durability.

When you choose PerformaFlex XT you can be sure you are getting the best value in a premium quality insulated PEX.


  • Tested heat 0.67° Fahrenheit and 1669.33 BTU per 100-feet at 5 GPM and under 63.5k BTU load*
  • Watts PEX standard. Meets F876 and F877 SDR-9 dimensional standards. NSF listed.
  • 1-inch and 1 ¼-inch oxygen barrier PEX also available.
  • Dual wall outer casing w/ 18-inch bending radius.
  • 4 5/8-inch OD
  • Pull cord included

*While we believe these results to be accurate and the installation to be typical, they are neither guaranteed nor warrantied and individual results may vary.


PerformaFlex XT carries the industries best warranty. The basic warranty covers manufacturers defects with a foot-for-foot replacement for the life of the original purchaser.

Amazing Remediation Warranty

When purchased from an authorized dealer, PerformaFlex XT carries an additional 36-month warranty covering replacement due to manufacturers defect. The Amazing Remediation Warranty will pay up to $10 per foot to a maximum of $1000 per property. Contact us for details.