3F Base Course in Hawaii
Also sold as Road Base
Also known as: 3F, base course, crushed basalt base
In Hawaii, placing 3F Base Course on saturated clay without compaction can leave a drive or pad short of the stable support it needs.
- Size: 1 inch minus
- Grading: Graded mix of crushed stone, gravel and binding fines
- Type: Crushed aggregate blend
From $374.00 for 1 ton, delivery included
Larger loads cost less per ton: 500 tons is $20,470.00 ($40.94 per ton). Pick any quantity below for a delivered price.
Free delivery included
Free delivery anywhere in Hawaii
Pick a delivery date
Weekday delivery, earliest Sep 25
“Our little church up in Hakalau sits off a narrow country road that turns to soup every wet season. The congregation pitched in on four tons of road base for the last stretch up to the parking area, and Hawaii Rock Supply had it out within three days of the order. No more cars getting stuck before Sunday service.”
Dale W. · Verified Buyer
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Everything You Need to Know About 3F Base Course
Size and Grading
- Size
- 1 inch minus
- Grading
- Graded mix of crushed stone, gravel and binding fines
- Type
- Crushed aggregate blend
Rain, rather than frost, sets the pace for base work on many sites. On windward and mauka lots, heavy red clay can stay saturated, making ground condition important before base placement. Leeward sites may have volcanic soil or coral that drains faster, yet storm runoff still needs attention.
3F Base Course is made for road construction, demanding driveways, and work requiring high load-bearing capacity. The larger aggregate forms a structural framework, and finer material fills open spaces under compaction. When packed in place, the blend forms a dense layer capable of supporting heavy vehicles and construction equipment. Set it as a base layer below the finished surface after site drainage has been addressed. This approach is useful for driveway and pad projects exposed to frequent rain.
Quickly Calculate How Much You Need
Material: 3F Base Course
How to Measure
Measure the length and width of your project area in feet
Decide on depth in inches (2" for landscaping, 4" for driveways)
Enter the values above and we'll calculate the tonnage you need
Need help figuring out the right amount? We can help!
Call or text us at our contact form and we'll help you calculate the right quantity for your project.
Not sure how much you need? The Road Base Calculator has depth guides, coverage charts and worked examples for this material.
Common Uses
Road & Highway Construction
Under asphalt and concrete on roads or highways, road base creates the supporting layer. It spreads vehicle forces through the subgrade below the pavement.
Heavy-Duty Driveways
Use road base where driveways receive heavy trucks, equipment trailers, or ongoing commercial traffic. It builds the support needed to reduce ruts and breakdown from demanding loads.
Construction Site Access Roads
Road base works for construction-site access roads, both temporary and permanent. It handles equipment traffic and provides a firm surface during wet weather so site work can continue.
Commercial Vehicle Areas
Install road base as the supporting layer beneath commercial parking lots, loading docks, and industrial yards used by heavy vehicles and equipment each day.
Why Choose 3F Base Course
Maximum Load Capacity
Road base supports high-weight use, including fully loaded dump trucks and industrial equipment. When compacted densely, it distributes loads through the base and reduces stress at concentrated points.
Base Course Specifications
Review Department of Transportation specifications for base course aggregate before planning the project.
All-Weather Performance
Installed road base retains its structure through wet and dry conditions. Dense compaction reduces water entry that can soften weaker materials, which matters during heavy rain.
Economical for Large Projects
For large access roads, parking areas, and work yards, road base can cost a fraction of paved surfaces while providing commercial-grade support.
Frequently Asked Questions About 3F Base Course
Customer Reviews
Truck came at the tail end again
Six tons of road base for a farm turnaround by our place in Laie. Truck showed up close to the very end of the delivery window, but once it was down it packed in solid within a couple of passes.
Craig H. · Laie, HI · Verified Buyer
No more cars stuck before service
Our little church up in Hakalau sits off a narrow country road that turns to soup every wet season. The congregation pitched in on four tons of road base for the last stretch up to the parking area, and Hawaii Rock Supply had it out within three days of the order. No more cars getting stuck before Sunday service.
Dale W. · Hakalau, HI · Verified Buyer
Held up through a downpour wedding
Graded overflow parking for a wedding venue near the old Puunene mill site, about ten tons of road base spread across a section that used to be bare dirt. Compacted tight in one pass with the roller, no potholes forming after two events already held on it, including one during a downpour that would have been a swamp with anything less.
Teresa K. · Puunene, HI · Verified Buyer
Worth the extra freight out to Molokai
Ranch lane on Molokai out past Kualapuu turns into a mess of ruts every time the trades bring rain sideways across the pastures. Getting anything delivered out here usually means extra freight, but the price per ton on twenty tons of road base from Hawaii Rock Supply still beat what we paid hauling material over ourselves from Kaunakakai years back. The tri axle handled our gate and the first stretch of the lane fine, then we spread the rest with the tractor blade over the following weekend. Cattle haven't bogged the fence line since, and the feed truck makes it through even after a solid week of rain.
Harold V. · Kualapuu, HI · Verified Buyer
3F Base Course has 4 verified customer reviews with an average rating of 4.8 out of 5.


