Reliable In Snow,
Heat, And Rain
Engineered For Durability
Unique properties of native asphalt enable a mix design optimized for reliability
Consistent Material Stability
Maintains high stability in temperatures -40° to 168° Fahrenheit
Proven In Diverse Climates
Tested in climates as diverse as Peru and Canada for over 50 years
No Weather Sensitive Additives
Doesn’t rely on volatile chemical solvents, polymers, or cutbacks
Native Versus Manufactured Asphalt
When It Comes To Weather, Native Matters
The Anacacho limestone deposit we mine in the southwest corner of Uvalde County in Texas may be one of the largest natural asphalt formations in the world, but it’s certainly not large enough to pave all 42.1 million miles of roads on Earth. That’s one reason why when most people think asphalt, it’s manufactured, not native asphalt that comes to mind. In other words, people imagine a tarry black substance — one created from distilled crude oil and rocks — not our naturally-occurring asphalt composed entirely of dry-to-the-touch rocks. And if you’re looking for a patch that performs in all weather, that difference matters.
Problems With Manufactured Asphalt
In manufactured asphalts, only the outer surfaces of the rocks are coated in a sticky binder. That’s one reason manufactured cold mixes become either unreliable or unworkable outside a narrow range of weather conditions. (That’s also why they tend to dry out so quickly.) Because manufactured mixes depend on fickle chemical reactions to bond, unexpected changes in ambient moisture or temperature often disrupt the stability of the material. This can even occur long after the patch is initially applied.
The RockAsphalt© Advantage
Why Native Asphalt Out-Performs
Over the past 70 million years, heat and pressure have forced concentrated bitumen to seep deep inside the rocks in our asphalt. That’s one reason weather conditions don’t affect RockAsphalt© the way they do manufactured patches: the binder in our material is trapped in the interstices of the rocks themselves, not coated on afterwards. And it’s pressure — not evaporation or any other weather sensitive chemical reaction — that causes RockAsphalt© to bond. Long story short, that’s why our native asphalt patch remains workable and reliable in snow, heat, and rain — while manufactured mixes simply don’t.
Mined & Produced In Uvalde County, Texas For Over A Century
Engineered Specifically For Distressed Pavement
Our commitment to performance doesn’t stop with our one-of-a-kind material — it shapes how we process and formulate our product as well. That's why our engineers evaluate and optimize our patch based on six key quality metrics to ensure our mix design and materials work together to perform at the highest level.
Won’t migrate or shove under heavy-load or high-volume traffic
DOT & Military Compliant
Exceeds specs and performance standards (like TXDOT Item 330)
Stronger Over Time
Binds gradually with pressure to form a durable, permanent surface