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#89 Crushed Stone in Montana

Fine, angular #89 Crushed Stone works into Montana hardscape details where a tight, compacted finish is needed on site.

  • Size: About 3/8 inch down to fines
  • Grading: #89, carries some fines
  • Type: Angular crushed stone

From $424.00 for 1 ton, delivery included

Larger loads cost less per ton: 500 tons is $26,035.00 ($52.07 per ton). Pick any quantity below for a delivered price.

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Free delivery anywhere in Montana

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Weekday delivery, earliest Sep 25

Ordered four tons to regrade drainage around the foundation on our place in the Bitterroot Valley near Stevensville. Montana Rock Supply got it here two days after I called, and it's small enough to look tidy against the house but drains a lot better than the pea gravel we had before. No water pooling against the wall even after a wet spring.

Janet H. · Verified Buyer

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Everything You Need to Know About #89 Crushed Stone

Size and Grading

Size
About 3/8 inch down to fines
Grading
#89, carries some fines
Type
Angular crushed stone

Montana weather can put hardscape surfaces through heavy rain, dry heat, and repeated freezing and thawing. #89 Crushed Stone is suited to the close-fitting parts of that work, where crushed material needs to settle together instead of remaining loose. Its angular shape and included fines help it bind into a firmer surface after compaction.

East of the Continental Divide, gumbo clay can become slick when wet and hard when dry, while valley gravel may shed water more readily. Prepare the supporting base for the site conditions before placing this stone. For pavers or flagstone, work #89 Crushed Stone into the intended setting area and compact it so the finished surface stays tight through seasonal movement.

Quickly Calculate How Much You Need

Material: #89 Crushed Stone

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Call or text us at our contact form and we'll help you calculate the right quantity for your project.

Not sure how much you need? The Stone Calculator has depth guides, coverage charts and worked examples for this material.

Common Uses

Flagstone and Paver Joints

Brushes into the gaps readily to help hold the pavers where they belong.

Chip Seal Surfaces

Its small, sharp pieces adhere effectively for chip seal road projects.

Concrete Mixes

In concrete that calls for smaller stone, this works as the coarse aggregate.

Walkway Bedding

Sets up a level, solid bed below paver or stone walkways.

Why Choose #89 Crushed Stone

Tight Compaction

Fines combined with the small rock size settle into a hard, stable surface.

Versatile

Useful for joint material, bedding, concrete mixes, and surface treatments.

Clean Finish

The even, small stone profile leaves a tidy final appearance.

Easy to Place

It can be spread out or brushed into confined spots with little effort.

Customer Reviews

4.8(4 reviews)
Jul 2026

Perfect size for the fire pit

Needed something smaller than river rock for a fire pit patio out near Ennis and this fit the bill at five tons. Doesn't scatter as bad as true pea gravel once it settles in, stays put under the chairs, and the color is a nice even gray that matches the stone on the house.

Eugene P. · Ennis, MT · Verified Buyer

Oct 2025

Good bedding, dustier this batch

Used six tons of the eighty nine for paver bedding on a walkway job near Three Forks. Packs well and graded evenly, though this batch ran a bit dustier than the last order, so we hosed everything down before laying the pavers on top.

Diane Z. · Three Forks, MT · Verified Buyer

Aug 2025

Pavers still tight after winter

We built a paver patio behind the house in Great Falls last summer and used the number eighty nine for bedding under the pavers and filling the joints once everything was set. It compacted with a hand tamper better than the plain sand we tried on a smaller job two years ago, and swept into the joints without making a mess. Through a full winter of freeze and thaw the pavers haven't shifted or heaved at all, which was our biggest worry going in. Montana Rock Supply delivered right into the driveway in bulk bags so we didn't have to shovel a full truckload by hand.

Larry J. · Great Falls, MT · Verified Buyer

May 2025

Foundation finally drains properly

Ordered four tons to regrade drainage around the foundation on our place in the Bitterroot Valley near Stevensville. Montana Rock Supply got it here two days after I called, and it's small enough to look tidy against the house but drains a lot better than the pea gravel we had before. No water pooling against the wall even after a wet spring.

Janet H. · Stevensville, MT · Verified Buyer

#89 Crushed Stone has 4 verified customer reviews with an average rating of 4.8 out of 5.