Bulk Aggregates for Patios in Mallard, IA

If you are planning a patio, a paver walkway or a new driveway pad, you need gravel and aggregate delivery in Mallard, IA, and the material under the surface matters more than the surface itself. Iowa Rock Supply sells bulk Class A roadstone, stone, sand and soil by the ton and the yard.

This is flat, young glacial ground, and the working season is short. Ordering the right bedding material now keeps the job moving once the frost is out.

Ground and Conditions in Mallard

Across the Des Moines Lobe, the ground is thick, compact pebbly loam till with sand and gravel along old meltwater channels. It is heavy soil that holds water, and the flat ground sheds spring rain slowly.

A thin base course is where flatwork fails here. The base settles unevenly, the pavers rock, and the joints open up before the first hard freeze.

The fix is a proper compacted base course under the bedding layer. Class A roadstone is the standard Iowa base: 3/4 inch crushed limestone with the fines left in, so it binds and compacts into a firm, load-bearing layer.

This part of the state is pothole country, and most ground only drains because it is tiled. Where water sits, plan a drainage layer in clean rock rather than counting on the soil to take it away.

Compaction waits for the frost to come out and for the flat ground to shed its spring water. Base and paver work runs from late spring to the fall freeze, and a wet spring shortens that window.

Winters are long and cold, with repeated freeze-thaw that heaves drives, lanes and field entrances as the ground lets go in spring.

Materials for Mallard Projects

Bedding is the layer that makes or breaks a patio. Limestone screenings, also called screenings or 3/8 inch minus screenings, are the material for setting pavers and flagstone and for filling the joints between them.

They are fine, they compact smooth, and they give you a consistent surface to level against.

For the base beneath that bedding, Class A roadstone is the one to start with. It goes under driveways, parking pads, shed bases and farm lanes.

Where a new drive needs a coarser bottom course, or where a soft spot has to be bridged, 1 Inch Roadstone goes down first and a finer surface course goes over it.

Washed Sand beds and levels slabs and pavers, and works as clean fill where a free draining grade is wanted. Mason Sand is the finer grade for brick and block mortar, paver joints and play areas.

Where water has to move, use clean rock. It is washed and open graded, so water passes straight through, which suits subdrains, drainage tile backfill, pipe bedding and backfill behind retaining walls.

3/8" Crushed Stone, sold locally as washed chips, covers paver joints and thin surface dressing.

Finishing the yard around the work is the same order. Black dirt, which Iowa yards call screened topsoil, repairs lawns and preps beds.

Garden Soil is blended richer for raised beds and vegetable gardens.

Delivery to Mallard and the Surrounding Area

You order online and choose a quantity by the ton or by the yard. If you are not sure how much the job takes, each product page has a calculator to size the load.

Pick a delivery date at checkout, and a dump truck tips the material on site in one pile. Iowa Rock Supply delivers bulk material across Palo Alto County, including Emmetsburg, Graettinger, West Bend, Ruthven and Ayrshire.

Order Your Base and Bedding Material in Mallard

Start with the calculator on the product page, work out the tonnage your patio, drive or drainage run takes, and order it by the ton or the yard. Iowa Rock Supply delivers bulk Class A roadstone, screenings, sand and clean rock to Mallard and across Palo Alto County.

Place your order online and a truck will tip it on site.