Order Gravel, Stone and Soil in Coupeville, WA

Washington Rock Supply handles gravel and aggregate delivery in Coupeville, WA. Winter rain soaks the loose upper soil, hits the dense till below and stops there.

Perched water sits close to the surface all season and softens anything built on it. 5/8 minus is the Washington surfacing course that answers it: crushed rock with the fines left in, so it packs hard and sheds water.

Delivery to Coupeville and the Surrounding Area

Order online and a dump truck tips your load on site. Pick your quantity by the ton or by the yard, and use the calculator on each product page to size it.

Choose a delivery date at checkout. Washington Rock Supply delivers across Coupeville and Island County, including Oak Harbor, Freeland, Clinton, Langley and Camano Island.

Materials for Coupeville Projects

Raising grade and building up a pad is where most Coupeville sites start, because low ground needs fill before anything granular goes on top. Fill dirt is common borrow: unscreened soil for raising grade and backfilling over-excavations.

Order it from Fill Dirt.

Above the fill, 1 1/4 minus carries the load. It is the structural course under a drive, a parking area or a slab, with a larger top size and fewer fines than 5/8 minus, so it stays workable on soft wet ground.

Order it from 1 1/4 Minus.

Top the base with 5/8 minus. It is the Washington default surfacing course, and it packs hard under a driveway, a parking pad or a shed slab.

Order it from 5/8 Minus.

For a patio or a walkway, bed the pavers in crusher dust. It is a minus product, so it compacts rather than drains, which is what a setting bed needs.

Order it from Stone Screenings.

Where water has to move instead of sitting, drain rock does the work. It is washed with no fines, so it keeps its voids in a footing drain or an infiltration trench.

Order it from Drain Rock.

Ground and Conditions in Coupeville

Puget Sound lowland ground is glacial. A dense till cap sits over advance outwash sand, and the lower part of that till is hard enough that crews call it hardpan.

Rain soaks the loose upper soil, reaches the till and stops. The water table then sits close to the surface all winter instead of draining away, which is why anything built on till needs the water taken sideways to daylight.

That same perched water is what puts coastal bluffs on the landslide maps, and it undercuts cut slopes and fill on a smaller scale. A base built over wet till loses its support from below.

The wet season runs October through April. Exposed soil has to be stabilized within two days in that window, against seven days in summer, so base and paver work is scheduled for the dry months.

Winters here are mild and wet, so it is saturation rather than frost that softens a base. A drive that was firm in August can rut in February.

Questions About Ordering in Coupeville

What is the best base under pavers in Coupeville?

Start with 1 1/4 minus as the structural course, placed below the surface. Bed the pavers themselves in crusher dust, which is a minus product and compacts rather than drains.

Where the ground holds perched water, put drain rock at the edge so the water has somewhere to go instead of sitting under the bed.

Do you supply contractors working in Coupeville?

Yes. Washington Rock Supply sells bulk gravel, crushed stone, sand, topsoil and aggregates online with delivery across Washington, and contractors order the same way.

Pick your quantity by the ton or by the yard, size the load with the calculator on the product page, and choose a delivery date at checkout.

Order 5/8 Minus and Base Material in Coupeville

5/8 minus is the surfacing course that finishes a drive, a pad or a slab in Coupeville, and 1 1/4 minus is the base that carries it. Fill dirt raises the grade underneath both.

Order online, size your load, and have it delivered.