Screenings for Patios in Ephrata, PA

Pennsylvania Rock Supply handles gravel and aggregate delivery in Ephrata, PA for two kinds of buyers: contractors running paver patios and flatwork, and homeowners building a shed pad, a drive or a walk. Both usually start with 2A modified, the crushed stone with the fines left in that compacts hard and carries the load above it.

Ephrata sits in Lancaster County, where Piedmont ground mixes loamy upland soils with red shale and limestone valley clay. That mix decides how deep a base you need under a patio and how well it drains.

Ground and Conditions in Ephrata

Here is the failure a thin base shows first: paver edges settle, joints open, and low spots hold water after a summer storm. On the heavy clay pockets in this county, water sits on top of a compacted layer instead of moving down, so the bedding softens and the surface shifts.

The fix is a base built in lifts, compacted between passes, over ground that is not saturated. Heavy summer storms and spring rain running off built-up ground put the load on the base, and over limestone valleys that runoff can find its way into openings in the rock.

Timing matters too. Base, driveway and paver work runs from spring, once the ground has thawed and dried, into late fall. Base stone should not go down on frozen, soft or muddy ground, because it will not compact and will move later.

Winters bring repeated freeze-thaw cycles here. Frost does not reach as deep in this corner of the state as it does farther north, but a thin or poorly drained base can still heave and break up. Frost depth runs about 30 to 36 inches and is set by each municipality.

Materials for Ephrata Projects

Patio and flatwork jobs live and fall on the bedding and base layers, so start there. Bedding sets the surface; the base under it carries everything above.

• Screenings (stone screenings, stone dust, #10 screenings) are the standard bedding under pavers and flagstone. The fine chips pack firm and hold a level screed.
• 2A Modified is the base course under that bedding. The fines let it compact into a hard, tight layer that spreads the load from pavers and slabs.
• 2B Stone (2B clean stone, 3/4 inch clean stone) is the clean option where water needs to move. Use it for a drainage layer under a patio or behind a wall.
• Washed Sand (concrete sand) beds and levels under pavers and slabs on some patios, and mixes into concrete flatwork.
• Fill Dirt raises grade and backfills low spots before the base or topsoil goes down.

Where a patio edge meets a soggy spot, swap the base for clean stone and let the water through rather than trapping it. For a walkway or path, Walkway Gravel gives a finer, walkable surface over a compacted base.

Delivery to Ephrata and the Surrounding Area

Bulk material is ordered online, and the first choice is how to size the load. You can buy by the ton, which is how stone and sand are usually sold, or by the cubic yard for soils, mulch and fill.

Not sure which unit fits your job? Use the calculator to size the load from your area and depth, then pick a delivery date at checkout. A dump truck brings the material to your site in Ephrata.

Pennsylvania Rock Supply delivers across Lancaster County, including Lancaster, Elizabethtown, Columbia, Willow Street and Lititz.

Order Screenings and Base Stone for Your Ephrata Patio

Start with the calculator to size the screenings, 2A modified and clean stone your patio, walk or drive needs. Choose your quantity and a delivery date, and Pennsylvania Rock Supply brings the load to your site in Ephrata. Place your order online when you are ready.