DUST AND EROSION CONTROL / PHOENIX, ARIZONA
Turn loose dirt into a surface that holds.
Hardpan Supply Co. supplies Solid Earth polymer soil stabilizer to Arizona contractors, aggregate yards and site owners. It cures into a durable crust that keeps dust down and holds the surface together, so you are not relying on a water truck all day.
TREATED CRUST
binder holds fines in place
COMPACTED BASE
product migrates in, then cures
NATIVE SOIL
untouched
Hardpan is the hard, naturally cemented layer in desert soil. Solid Earth builds one on purpose.
Up to 90%
+40 to +67%
5 years
Approved
PM10 dust reduction in wind testing at 12 m/s (ASU, PI-SWERL)
Strength gain on crusher fines over untreated (ASTM D2166)
Under 40-ton cranes and semi-trailers with zero maintenance (North Scottsdale reservoir apron)
For Pennsylvania's Dirt, Gravel and Low Volume Road Program, through 2030
WHERE IT WORKS
Surfaces you are watering now.
The best fit is ground with moderate traffic, where the current fix is a water truck or nothing at all. And because the treated surface stays in place, there is less to regrade: dirt that doesn’t move doesn’t need to be bladed back.
Equipment yards and laydowns
Staging and storage areas that sit open for months and kick up dust every time a truck pulls in.
Perimeters and pads
Disturbed ground around data centers, subdivisions and plants, where dust crossing the property line is the problem.
Access and service roads
Site entrances, plant roads and light-vehicle routes inside the proven load range.
Slopes, banks and embankments
Erosion control on cut slopes and embankments. Used on embankment work at Tucson International Airport.
Parking and staging
Crew parking, scale approaches and temporary lots on active jobs.
Aggregate and material yards
Stockpile areas, yard roads and vacant ground at pits and ready-mix plants.
Built around the dust rules you are inspected against.
Maricopa County Rule 310
Pinal County commercial yards
Unpaved surfaces must be kept visibly moist or have a maintained crust. A stabilized crust is the option that doesn't need a truck every few hours.
Yards used more than 35 days a year can't rely on water alone. The options are pave, gravel, or a non-water suppressant with a trackout device.
A paper trail for inspectors
Every application comes with a dated invoice, rate and area. A water truck pass leaves nothing to show.
THE PRODUCT
Solid Earth soil stabilizer
A water-dilutable polymer binder made in the US by Solid Earth Inc. Sprayed on a prepared surface, it soaks into the top layer of soil and cures into a continuous binder that holds fines and aggregate together. It is not a salt and not a wetting agent, so it doesn't pull moisture out of the air or wash into the soil around it.
Hardpan Supply Co. is an authorized distributor. We size the job, supply the product and support your crew on the first application.
INDEPENDENT TESTING
Arizona State University, School of Sustainable Engineering and the Built Environment
RECOGNITION
IRF Global Road Achievement Award 2024, Research category
SAFETY
Not hazardous under OSHA. Readily biodegradable. Not a Prop 65 product.
PACKAGING
5-gallon pails and 250-gallon totes
LEAD TIME
About three weeks. No minimum order.
1
Free site assessment
We walk the site, check the soil and traffic, and tell you if it's a fit.
2
Application plan
Acres, rate, number of coats and product quantity, in writing.
3
Supervised first application
Your crew and water truck, with an experienced applicator on site.
4
Follow-up check
We come back after traffic has run on it and look at how it is holding.
Request a free site assessment
Tell us about the site. We'll get back to you within one business day.
Colton Rahav
Phoenix, Arizona