Bulk Gravel and Stone Delivery in Cambria County, PA
Ordering gravel, stone and aggregate delivery in Cambria County, PA starts with the calculator. Enter your area and depth, and it sizes the load for you. Pennsylvania Rock Supply sells 2A modified, clean stone, sand, topsoil and more, all ordered online and dumped at your site.
Cambria County ground runs two ways. Around Johnstown, Portage and Nanty-Glo, thin stony soils sit over sandstone and shale on steep valley walls. Up by Ebensburg and Northern Cambria, clay-rich soils hold water longer. Either way, a base built thin or wet is the one that breaks up.
Ground conditions across Cambria County
Two ground zones cross this county, and both punish an under-built base. In the Allegheny Mountain end, rain and snowmelt run fast off steep valley sides. That flow lands in narrow valleys, roadside ditches, culverts and low drives, so drainage is a design decision, not an afterthought.
In the western plateau hills, flat-lying shale, sandstone and coal beds have weathered into silty, clay-rich soils. Water soaking into clay layers on slopes is the main landslide trigger. Where roof and drive runoff goes on a hillside lot matters as much as the stone you put down.
Erosion follows the same split. On the mountain side, runoff gullies gravel roads and scours stream banks, and rain on snow can set off debris slides. On the plateau side, steep clay slopes slump and slide, and ditches wash out after heavy rain.
Winter sets the schedule. Snow and frozen ground limit base, driveway and paver work to the thawed, dry months from spring into fall. Base stone should not go down on frozen or muddy ground. Cold winters bring repeated freeze-thaw cycles, and the higher ground runs cooler and wetter, so a thin or poorly drained base breaks up. Frost depth is commonly 36 to 42 inches, set by each municipality, with the deeper figures in the mountains.
Materials delivered in Cambria County
Most jobs here start with 2A modified. It is crushed stone with the fines left in, so it compacts hard, and it is the standard Pennsylvania base stone for driveways, parking pads, and shed and patio bases. Local yards specify it as a 2A-type base. 2A modified is the trade name for that base with extra fines added, not a separate specification.
Clean stone handles the water that 2A modified holds back. 2B, also called 2B clean stone or 3/4 inch clean stone, is washed crushed stone with no fines, so water moves through it instead of packing tight. It goes in French drains, behind retaining walls and under shed pads.
Choosing the right material
Start with the project, not the product name. A driveway wants 2A modified for the base and a clean or graded stone on top. A patio wants 2A modified, then screenings for the bedding course. A drain wants clean stone such as 2B, because fines stop the water you are trying to move.
Next door in Indiana County and Clearfield County, the ground spans the same two zones you have here, so base and drainage choices look similar. The projects differ more than the stone does. Blair County is different ground entirely: folded sandstone ridges with thin stony soils, and valleys floored by shale or by limestone and dolomite that weather to clay. Clay valley floors there call for more drainage stone than a ridge top does.
On this county's steep valley sides, add clean stone at culvert outlets and ditch lines. On the plateau hills, send roof and drive runoff away from clay slopes before you surface anything. Match the stone to what the water is doing.
Delivery across Cambria County
Order online and pick your quantity by the ton or the yard. The calculator is there to size the load, so you do not have to guess. Choose a delivery date at checkout, and a dump truck brings it to the site.
Have the drop spot ready before the truck arrives: clear of parked cars, low wires and soft ground, with room to dump and turn around. If the site is on a narrow valley road or a steep hillside drive, tell us where the truck can safely set down. Know which pile is which if you ordered more than one material.
Delivery covers Johnstown, Northern Cambria, Ebensburg, Portage, Nanty-Glo, Patton, Gallitzin, Cresson, Loretto, Salix, Hastings, South Fork, Carrolltown and Lilly.
Order 2A Modified and More for Your Cambria County Job
2A modified is the base most Cambria County work starts from, with clean stone, sand, soil and decorative rock alongside it. Size your load with the calculator, choose a quantity, and pick a delivery date at checkout. Pennsylvania Rock Supply delivers bulk aggregate straight to your site. Place your order online when you are ready.