HDPE? What the heck is that?

HDPE (High Density Polyethylene) might sound unfamiliar,

but this material is already everywhere in your daily life.

Truck bed liners, gun cases, water tanks, kitchen cutting boards—

whenever impact strength and chemical durability are needed,

HDPE is the go-to choice.

In short, its durability is already proven. No debate needed.

“Okay, it’s tough. But… you’re building a trailer out of it?”

Fair question.

So here’s a more interesting example:

HDPE is used to build 52ft high-speed boats in Korea, which are produced under government projects. South Korea has one of the most extreme coastal environments on Earth:

- Tidal range up to 33 ft

- Endless mudflats,

- Rocky, shallow, unforgiving terrain

A coastal patrol or rescue boat operating there must survive

brutal impacts, saltwater, constant abuse, and still stay light and fast.

Traditional materials fail quickly:

Steel: scratches → rust

Aluminum: hits a rock → tears

FRP: hits a rock → cracks

So HDPE entered the scene.

lightweight, impact-resistant, salt-proof, moisture-proof.

This is why HDPE is now considered a next-generation marine material.

EcnoEvil’s conclusion: follow the truth of the material

The RV industry mostly uses wood, aluminum, and FRP.

- Wood: cheap, but it rots.

- Aluminum: beautiful, but expensive and dents easily. Repairs are painful.

- FRP: shapable and rigid, but they crack on impact and are pricey.

So what about HDPE?

In real-world RV abuse

hail, branches, rocks, off-road vibration, and hits

HDPE is practically indestructible.

It doesn’t rot

It doesn’t rust

It unlikely crack

It doesn’t care about moisture or salt

It shrugs off impacts

Paint barely sticks because the surface is so stable

Its only real downsides?

Hard to manufacture. Limited design freedom.

We decided not to obsess over those limitations.

Instead, we chose to embrace what HDPE does better than anything else.

So yes. EcnoEvil gave up the flashy curves.

Yes, the design is simple.

And yes, we ditched all the decorative nonsense.

Because we’re here to build one thing:

An insanely tough trailer.

Welcome to EcnoEvil.