HPX Waterproofing Put to the Test - With a Cardboard Box!

HPX Waterproofing for Flat Roofs

Demonstrating the strength of HPX in the most unexpected way - because real performance speaks for itself

When it comes to HPX Waterproofing for Flat Roofs, performance is everything. At Tricel Composites, we understand that roofing professionals need a solution that’s fast, reliable, and proven to work in real-world conditions.

To demonstrate just how effective HPX really is, our Technical Sales Representative, Adam, took a creative approach…

The Test: Cardboard vs. Water

Cardboard is famously not waterproof. It absorbs water, warps, and breaks down quickly when exposed to moisture. So what happens when you coat the inside of a cardboard box with HPX and pour in a full bucket of water?

Absolutely nothing.
No leaking. No dripping. Just reliable, watertight protection. 

This simple yet powerful demonstration shows just how impenetrable HPX becomes once applied — even on a surface as fragile as cardboard.

Watch the full video of Adam’s test below. 

Why HPX Waterproofing for Flat Roofs is a Game Changer.

While the cardboard box was just a visual test, HPX is engineered for real-world roofing applications. Here’s why it’s trusted by professionals across the industry:

  • Instant Waterproofing – Creates a seamless, watertight barrier on application.
  • Versatile Application – Adheres to a wide range of substrates including concrete, timber, and existing roofing membranes.
  • Durable & Long-Lasting – Withstands harsh weather conditions and UV exposure.
  • Easy to Apply – Ideal for both new builds and repair work.

Built for the Real World

Whether you’re working on a domestic flat roof, a commercial property, or a quick repair job, HPX delivers peace of mind and professional-grade performance.

If it can waterproof a cardboard box, imagine what it can do for your next roofing project.

Ready to Try HPX?

Contact our team today or visit your nearest Tricel Composites branch to learn more about HPX and how it can transform your waterproofing approach.

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