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Concrete Aggregate

Concrete Aggregate Screenings

Screenings are crushed rock fines, usually 3/8 inch down to dust. They're what falls through the smallest screen when a quarry sorts its bigger stone into piles. The pieces are sharp and packed with fine powder, so they lock together tight under weight and stay put once you tamp them.

The word "screenings" only tells you the rock passed through the finest screen at the plant. It says nothing about what kind of rock it is, so you'll hear limestone screenings, granite screenings, or trap rock screenings depending on the local quarry. Screenings are cheap because they're a byproduct of making bigger stone. Most people buy them as a leveling layer under pavers or as a hard walkway surface.

1
named grade in this family

What people use it for

Leveling layer under pavers and flagstoneHard-packed walkway and path surfaceFilling joints between pavers and slabsBedding under natural stone patiosFine grading over a crushed stone baseHorse arena and dog run footing

How to choose within concrete aggregate screenings

Match the mix design

Batch plants and ready-mix trucks work to a spec. Confirm the size and gradation the plant is running before you order.

Coarse vs. fine

Coarse aggregate gives the mix its strength; fine aggregate fills the gaps. A slab needs both — usually delivered separately and blended at the plant.

Cleanliness matters

Fines and clay contamination weaken the cure. If a load looks dusty, ask for a wash spec sheet before you take delivery.

All concrete aggregate screenings grades

Screenings (Concrete, Red)

PathwaysDriveway basePatio subbase

Material calculator

How much concrete aggregate screenings do you need?

Pick a grade, tell us your area and depth, and we'll work out the tons plus your delivered price.

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Pick a material, shape and dimensions and we'll calculate the tons you need plus your delivered price.

Other concrete aggregate families

Concrete Sand

Reference

Concrete sand is a coarse, washed sand screened to a specific size range so it works in a concrete mix.

16 grades→

Concrete Aggregate Sand

Reference

Concrete sand is a coarse washed sand with grains up to about 3/8 inch across.

4 grades→

Concrete Aggregate 57 Stone

Reference

#57 stone is crushed rock screened to fall between about 1 inch and 1/4 inch, with the fines washed out.

3 grades→

Concrete Aggregate Rip Rap

Reference

Rip rap is large, loose stone dumped along shorelines, creek banks, ditches, and bridge abutments to stop moving water from washing the g…

3 grades→

Concrete Aggregate 67 Stone

Reference

#67 stone is crushed rock screened between about 3/4 inch and 1/4 inch, with the fines washed out.

2 grades→

Concrete Aggregate Gravel

Reference

Concrete aggregate gravel is washed, rounded rock sized to mix into concrete.

2 grades→

Recycled Concrete

Reference

Recycled concrete is old concrete that's been broken up and crushed back down to gravel size.

2 grades→

Concrete Aggregate 1 Stone

Reference

#1 stone is one of the biggest sizes of clean crushed rock you can buy, with pieces roughly 1 1/2 to 4 inches across.

1 grade→

Concrete Aggregate 3 Stone

Reference

#3 stone is crushed rock sized between about 1 1/2 inches and 2 inches.

1 grade→

Concrete Aggregate 4 Stone

Reference

#4 stone is crushed rock that runs about 1½ inch down to ¾ inch.

1 grade→

Concrete Aggregate 8 Stone

Reference

#8 stone is small crushed rock, roughly 3/8 inch down to the size of coarse sand.

1 grade→

Concrete Aggregate 89 Stone

Reference

#89 stone is small crushed rock, sized between about 3/8 inch and the coarse-sand range.

1 grade→

Browse all concrete aggregate families →