Can I order material for a commercial or contractor job?

Yes. You order online by the ton or by the yard, and the same bulk delivery applies to a contractor job as to a homeowner project. Sizes such as 3/4 inch clean stone and #57 stone are available for drainage and concrete work, and Class A roadstone covers base and surfacing. Size the load with the calculator on the product page and pick a delivery date at checkout.

When is the best time of year to order base material in Clayton County?

Work here fits between the spring thaw and the fall freeze. Cold winters in the deep, shaded valleys let frost work into fractured rock and thin soil, and it breaks up surfaces on steep lanes and drives each spring. Surface material laid before the fall freeze holds through winter access on grades, so fall is a practical window for topping up a drive.

What is the difference between topsoil and fill dirt?

Topsoil is screened black dirt, the dark prairie soil Iowa yards are known for, and it goes on top for lawn repair, grading and bed prep. Fill dirt is a structural material for raising grade, filling low ground and backfilling before a roadstone course goes down. One grows plants, the other builds up the ground underneath.

Clayton County, IA Aggregate and Rock Delivery

Iowa Rock Supply delivers gravel, stone and aggregate delivery in Clayton County, IA, and the material this ground asks for is Class A roadstone. That is the local name for the 3/4 inch crushed limestone base course, with the fines left in so it binds and compacts.

Across the Paleozoic Plateau, the driftless northeast, thin soil sits over limestone, dolomite, sandstone and shale. On a steep drive, that shallow base is what decides which material you order.

Materials delivered in Clayton County

Class A roadstone is the standard base course here.

11 and Class C gravel to Gradation No. 10.

County engineers and city entrance standards write it as Class A roadstone.

Order Class A Roadstone for driveways, parking pads, shed bases and farm lanes. It compacts into a bound surface that holds up on a graded lane.

For a new drive, a soft spot or a lane carrying heavy equipment, 1 Inch Roadstone is the coarser grade and goes down under a finer surface course.

Washed stone handles the water. Thin soil over rock leaves nowhere for water to sit, so open graded material keeps it moving.

Limestone Screenings bed pavers and flagstone and fill the joints, and they work as a fine top dressing over a compacted roadstone base. River Rock and Large River Rock cover decorative beds, borders and dry creek beds; this rounded gravel is washed out of the Missouri, Mississippi and their tributary valleys.

3/8" Natural Pea Gravel suits walkways, play areas and patio bedding.

Sand and soil round out a project. Mason Sand mixes into brick and block mortar and beds paver joints.

Washed Sand levels under slabs and pavers. Top Soil is screened black dirt for lawn repair and bed prep, Fill Dirt raises grade before a roadstone course, and Garden Soil is blended richer for raised beds and vegetable plots.

Delivery across Clayton County

You order online. Pick a quantity by the ton or by the yard, size the load with the calculator on the product page, and choose a delivery date at checkout.

A dump truck then tips the load on site.

Bulk delivery covers Guttenberg, Monona, Strawberry Point, Elkader, Garnavillo, McGregor, Farmersburg, Volga, Luana, Edgewood, Garber, St. Olaf, North Buena Vista and Elkport.

The truck tips the material in one pile where it can reach, so plan for that when you pick a spot.

Ground conditions across Clayton County

Across the Paleozoic Plateau, the driftless northeast, the ground is thin soil over limestone, dolomite, sandstone and shale, with almost no glacial deposits. Bedrock sits shallow on the ridgetops and shows in the valley walls.

A base course laid on that ground has little to hold onto, and a steep lane is where it shows first.

Water behavior matters more here than in flatter country. On this ground region, karst sends water into sinkholes, fractures and underground passages instead of across the surface, springs run year round, and steep valley sides push runoff down fast after a storm.

Drainage layers and clean, open graded stone are how you work with that.

Erosion follows the same pattern on this ground. Runoff scours steep drives and lanes, narrow bedrock valleys flash flood, and banks cut along the Upper Iowa, Turkey, Yellow and Maquoketa rivers.

Riprap protects banks, culvert outlets and slopes against spring runoff.

The working season fits between the spring thaw and the fall freeze. Steep drives and switchback lanes are the constraint, and winter access on grades is the reason surfaces get topped up in the fall.

Frost works into fractured rock and thin soil and breaks up surfaces each spring.

Choosing the right material

Dubuque County shares this ground region, so the same thin soil over limestone, dolomite, sandstone and shale applies there. Base and drainage choices carry over the same way.

Fayette County and Delaware County each span more than one zone, including the Iowan Surface as well as the Paleozoic Plateau, the driftless northeast.

On ground that runs across both, the shallow bedrock and karst conditions of this plateau are not continuous, so a base course and drainage plan built for this county may need a second look there.

Within Clayton County, match the material to the job. Class A roadstone binds and compacts into a drive, pad or lane.

Clean rock and 3/4 inch clean stone are washed and open graded, so they pass water for subdrains and pipe bedding. Riprap handles banks and outlets.

Screenings, sand and soil finish the surface and the planting.

Order your material for Clayton County

Start with the quantity. Each product page has a calculator, and you can order Class A roadstone, clean rock, sand or topsoil by the ton or by the yard, then choose a delivery date at checkout.

When you know the load you need for a drive, a drainage run or a bank, place your order online with Iowa Rock Supply and a truck will tip it on site.

Class A Roadstone, Sand and Gravel Delivery in Clayton County, IA