3/8 Clean for Pathways in Vashon, WA

Washington Rock Supply sells gravel and aggregate delivery in Vashon, WA, and the material a path or walkway asks for is usually a fine one. 5/8 minus is the local name for crushed rock with the fines left in, so it packs hard underfoot.

Vashon sits on the Puget Sound lowland, where the ground is glacial and water perches close to the surface through the wet months. That shapes both what you put on top and what you put underneath it.

Ground and Conditions in Vashon

The ground here is glacial, and the pattern repeats across the Puget Sound lowland. Rain soaks the loose upper soil, reaches the dense till below and stops.

So the water table sits close to the surface all winter instead of draining away. A thin base over that ground shows it first: the surface stays soft, and the fines pump up through the stone.

The fix is a base course that carries load and a drainage layer that moves water sideways to daylight. That is why 1 1/4 minus goes down first on a drive or pad, and why washed stone matters in a trench.

Winter rain perching where outwash sand meets clay below it is what puts bluffs in this part of the state on the landslide maps. The same perched water undercuts cut slopes and fill on a smaller scale.

The wet season runs October through April. Under the state stormwater manual for western Washington, exposed soil has to be stabilized within two days in that window, against seven days in summer.

Base, paving and paver work is scheduled for the dry months, and winter work needs the grade kept covered. The ground seldom freezes deep here, so it is saturation rather than frost that softens a base.

A drive that was firm in August can rut in February. Frost depth is set by the building official and varies by jurisdiction, so check with King County before you plan anything that depends on it.

Materials for Vashon Projects

Paths and walkways are where the fine end of the minus range does its work. 1/4 minus, also called quarter minus or pathway gravel, is the fine end of the minus range, so it packs down tight underfoot.

It suits garden paths, side yards and firm walking surfaces.

Crusher dust, also called 3/8 minus or screenings, is a minus product, so it compacts rather than drains. It beds pavers and flagstone and fills joints.

If you want a washed, fines-free stone in a paver joint instead, 3/8 clean is the same size with the fines taken out.

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

It goes below the 5/8 minus top course.

On the drainage side, drain rock, also called 7/8 clean or washed rock, is washed with no fines, so it keeps its voids where perched water sits on till. It goes in footing drains, French drains and infiltration trenches.

Where a path meets a bed, round stone finishes the edge. Natural Pea Gravel is rounded and washed, so it will not compact, and it suits play areas, dog runs and planting beds.

Delivery to Vashon 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 then tips the load on site.

Each product page has a calculator, and that is the place to size a load. Bulk delivery to a site in Vashon is the same process whether the material is going to a path, a drive or a drainage run.

Vashon sits in King County, and delivery covers the surrounding area, including Seattle, Bellevue, Kent, Renton and Federal Way.

Questions About Gravel in Vashon

What should I have ready when the truck arrives?

Have the spot for the pile clear and reachable, and make sure the truck can get in and back out without obstruction. The driver tips the load in one pile and does not spread or place it, so the pile lands where the truck can safely stop.

Keep vehicles, bins and low branches out of the way before the truck shows up.

What is the best base under pavers in Vashon?

Start with 1 1/4 minus as the structural course, because it carries load and stays workable on soft wet ground. Above it, 5/8 minus packs hard and sheds water instead of soaking it up.

For the bedding layer itself, crusher dust compacts rather than drains, and 3/8 clean is the washed alternative where you want the joint to drain.

Order Gravel and Aggregate for Your Vashon Project

Size the load on the calculator on each product page, then order by the ton or the yard and pick your delivery date at checkout. Washington Rock Supply delivers bulk gravel, stone, sand and soil across Vashon and King County.

Place your order online when you are ready.