Bulk Aggregates for Patios in New Derry, PA

Planning a patio, a driveway, or a drainage run? Pennsylvania Rock Supply handles gravel and aggregate delivery in New Derry, PA, and the material most jobs here start with is 2A modified. It is crushed stone with the fines left in, so it compacts hard under a patio or a drive.

This is hilly ground cut by steep valleys, and the clay-rich soils on those slopes change what you need under flatwork. Get the base right and the pavers stay put.

Ground and Conditions in New Derry

A patio base that is too thin or holding water tells on itself fast. The pavers rock, joints open, and the edges drop after a wet winter. Clay-rich soil that stays wet softens and heaves, so a base that never drains loses its compaction.

Freeze-thaw cycles run every winter here, and frost depth is commonly about 36 inches, set by each municipality. That is why a base built on soft, wet ground breaks up while a drained one holds.

Heavy rain and snowmelt come down these hillsides, and where roof and drive runoff is sent matters on a hillside lot. Landslides and slumping on steep clay slopes are the local erosion concern, along with ditch washouts after a hard rain.

Base, driveway, and paver work runs from spring, once the ground has thawed and dried, into late fall. Long wet spells and rain on snow are when hillside ground is most likely to move.

Materials for New Derry Projects

Under pavers and flatwork, the bedding layer is what sets your finished grade. Screenings, also called stone dust, are the fine crushed material under a quarter inch that packs firm and holds a bedding course. Spread and compact it over a solid base and you have a steady surface to set pavers on.

That bedding sits on 2A modified. 2A Modified, also called modified stone, is the standard Pennsylvania base stone: crushed stone with the fines left in so it compacts hard. Build the patio base from it and the bedding layer goes down flat.

Where water has to move instead of pack, switch to clean stone. 2B Stone, also called 2B or 3/4 inch clean stone, is washed with no fines, so it drains. Use it behind a retaining wall or in a French drain.

For the joints and tight bedding between pavers, #89 Crushed Stone is the small washed stone that sweeps into the gaps. Washed Sand, also called concrete sand, works for leveling and bedding under pavers and slabs, and for concrete.

Finishing touches are worth planning at the same time. River Rock handles decorative beds and borders, and Top Soil, screened to take out stones and roots, dresses the ground around the finished patio.

Delivery to New Derry and the Surrounding Area

You order online, choose a quantity by the ton or by the yard, and pick a delivery date at checkout. A dump truck brings the load to your site in New Derry.

Not sure how much to order? Size the load with the calculator before you check out. It takes your project measurements and turns them into the quantity you need, so you are not short mid-job or sitting on a pile you cannot use.

Pennsylvania Rock Supply delivers across Westmoreland County, including Murrysville, Greensburg, New Kensington, Jeannette, and Latrobe. Have the drop spot clear and reachable so the truck can place the pile where you want it.

Questions New Derry Buyers Ask

What gravel is best for a driveway in New Derry?

Start with 2A modified. It is crushed stone with the fines left in, so it compacts hard and carries weight, which suits the clay-rich soils and freeze-thaw cycles here. Top it with Driveway Gravel for the wearing surface. If the drive stays wet, put clean 2B stone underneath so water moves instead of sitting in the base.

How much material will my project need?

Use the calculator on the site. Enter your project measurements and it returns the quantity to order, in tons or yards. That beats guessing, especially on a patio where a short load stalls the job and an extra pile sits in the way. Order the amount the calculator gives you and pick your delivery date at checkout.

Size Your Load and Place Your Order

Run your patio or driveway measurements through the calculator first, then choose tons or yards and set a delivery date. Pennsylvania Rock Supply delivers 2A modified, clean stone, sand, and topsoil across New Derry and Westmoreland County. Order online when your numbers are ready.