GF Building Flow Solutions
GF Building Flow Solutions

The Incredible Resilience of Uponor PEX-a in Freezing Conditions

Uponor AquaPEX®


Flexible. Durable. Freeze-Resilience.


Uponor AquaPEX® is a high-performance PEX‑a plumbing pipe built for demanding conditions. Its exceptional freeze resilience makes it ideal for cold climates and areas prone to sudden temperature drops.

The manufacturing process for Uponor PEX‑a, results in a product that can expand up to three times its diameter without cracking or bursting—helping it withstand freeze-thaw cycles that can damage traditional materials.

With a unique cross-linked structure that delivers strength and shape memory, it maintains system integrity, supports consistent water flow, and helps reduce the risk of costly freeze damage.

With the freeze resiliency of Uponor PEX-a pipe, homeowners, businesses, and installers have greater confidence their plumbing systems will remain reliable and operational, even in the harshest winter environments.

 

Extreme resiliency

  • Expands and contracts during freeze-thaw cycles—unlike rigid copper
  • Helps protect plumbing systems from cracking and damage
  • Proven to withstand 400+ freeze/thaw cycles
  • Maintains flexibility in temperatures as low as -40°F (-40°C)

Year-round reliability

  • Maintains reliable performance—even in extreme cold or unexpected temperature drops
  • Helps ensure uninterrupted water flow and reduce the risk of costly repairs and downtime
  • Paired with the trusted ProPEX® fitting system for secure, lasting connections
  • Backed by a 25-year transferable warranty for added peace of mind

Application versatility

  • Suitable for both residential and commercial plumbing applications
  • Designed to perform reliably across projects of any size
  • Engineered to meet local, state, and national codes and standards
  • Delivers consistent performance and long-term reliability

Uponor PEX-a Freeze Test

Check out this video from Rising Tide Plumbing as he freezes Uponor PEX-a overnight to test its durability and strength.

The only buildings that didn’t have pipe failure were the ones plumbed with PEX.

In 2021, the state of Texas felt the full wrath of a winter storm system that coated the state in ice and left homeowners and businesses alike with water pouring from their burst copper and rigid piping systems. Uponor stepped up, donating $30,000 of Uponor AquaPEX pipe, assuring Texans that PEX-a pipe will stand up to the next historic freeze in the state.

Hear why the Katy, TX, School District switched their plumbing spec to PEX.
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Where to buy Uponor

Find a local distributor