
Roadbase Clay
Natural red clay (iron oxide 5–15%, pH 4.5–6.5) for road subgrade, earthen embankments, pond liners, and traditional construction applications where low permeability is essential.
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“Ordering on soils.com was really simple. Found what I needed fast and checkout was easy. The soil showed up in good condition too.”
“Delivery was quicker than I expected. I’m in Florida so I thought it might take longer. Everything arrived on time and well packed.”
What is Roadbase Clay used for?
Natural red clay (iron oxide 5–15%, pH 4.5–6.5) for road subgrade, earthen embankments, pond liners, and traditional construction applications where low permeability is essential.
- Not ideal for drainage applications (very low permeability)
- Not ideal for areas where plants need to grow without significant soil amendment
- Not ideal for structural fill under heavy loads without stabilization
- Not ideal for use in concrete or aggregate applications
What customers say about Roadbase Clay
“Good experience overall. The soil quality was solid and consistent. Website was easy enough to use, nothing confusing.”
Verified purchase“Super fast shipping. I placed the order and it arrived just a couple days later. That alone made it worth it for me.”
Verified purchase“The site is clean and easy to use. Took me just a few minutes to order. Didn’t need to contact support or anything.”
Verified purchase“Really happy with the quality. You can tell it’s not low grade stuff. Everything looked fresh and ready to use.”
Verified purchaseTechnical specifications
| Property | Value |
|---|---|
| Particle Size | < 0.002 mm (clay fraction) |
| Iron Oxide Content | 5–15% by weight |
| pH Range | 4.5–6.5 |
| Plasticity | Moderate to high |
| Permeability | Very low |
| Shrink-Swell Potential | Moderate to high |
| Color | Reddish-brown (Munsell 2.5YR 4/6) |
| Density | Approximately 1 ton = 1 cu yd |
| Coverage (2" depth) | ~100 sq ft per ton |
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