Bulk Aggregates for Patios in Delmar, IA

If you are bedding a paver patio or pouring a slab, gravel and aggregate delivery in Delmar, IA starts with what goes under the flatwork. Iowa Rock Supply sells Class A roadstone, the 3/4 inch crushed limestone base course with the fines left in, along with the sands and clean stone that finish the job.

Ground here sits on the Mississippi River corridor, where sand, gravel, silt and clay stack up on the terraces and floodplain. That mix moves under a load, so the base under your pavers has to be built to hold.

Ground and Conditions in Delmar

A thin base is the failure you notice later. The pavers rock, joints open, and the slab edge drops where water sat.

On sandy terrace ground, water drains quickly and takes the fines with it, so the bedding layer loosens instead of locking.

Low ground near the floodplain behaves the other way. It barely drains at all, and spring snowmelt from the upper basin backs water up the tributary mouths long after local rain has stopped.

Base work there waits for the spring crest to pass.

Cold winters bring repeated freeze and thaw, enough to heave gravel drives and river road surfaces each spring. Frost depth in this part of Iowa is commonly 42 inches, and the local building official sets footing depth.

Upland work follows the ordinary thaw to fall freeze pattern.

Materials for Delmar Projects

Bedding under pavers and flatwork is where the choice matters most. Limestone screenings, the 3/8 inch minus material, are what you screed to a level bed for pavers and flagstone, and what you sweep into the joints once they are set.

They bind and hold a line.

Below the bedding, Class A Roadstone is the standard Iowa base course. It is crushed limestone with the fines left in, so it binds and compacts into a firm platform for a patio, a parking pad or a shed base.

Where a slab or paver bed needs a clean, free draining layer under it, Washed Sand beds and levels, and Mason Sand mixes into brick and block mortar and fills paver joints. Both are washed, so they drain rather than hold water.

Around the edges of the work, Clean Rock handles water. It is washed and open graded, so it goes into subdrains, pipe bedding and backfill behind a retaining wall and lets water move straight through.

For a drive or lane that feeds the project, Driveway Gravel tops an existing surface that has thinned out, laid over a compacted roadstone base.

Delivery to Delmar and the Surrounding Area

You order online and pick a quantity by the ton or by the yard. Each product page has a calculator to help you size the load before checkout, and you choose a delivery date there.

A dump truck tips the material on site in one pile. Iowa Rock Supply delivers across Delmar and the rest of Clinton County, including Clinton, DeWitt, Camanche, Wheatland and Grand Mound.

Order Your Base and Bedding Material

Work out your tonnage with the calculator on the product page, then place the order online and choose a delivery date. Iowa Rock Supply tips bulk Class A roadstone, screenings, sand and clean rock on site in Delmar and across Clinton County.