Blog /Product Spotlight

Natural Stone Stair Treads in Arkansas: Thickness, Depth, and the 450-Pound Weight Math

Ty Rockhouse
July 25, 2026
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Natural stone stair treads solve a problem that poured concrete never quite does: they look better every year instead of worse. A set of stone steps going up a slope or onto a porch takes more abuse than any other stone on the property. Feet, weather, freeze and thaw, the occasional hand truck. Stone handles all of it, which is why treads and steps are one of the most asked-about items at our yard in Hot Springs Village. It is also one of the easiest items to order wrong, because tread sizing has rules that are not obvious until you have set a few hundred of them.

This guide covers what actually matters when buying natural stone stair treads in Arkansas: thickness, tread depth, weight, stone choice, and how ordering works at a stone yard. One note before we start. Rockhouse Stone is a supplier. We stock, sort, sell, and deliver the stone. A mason or hardscape crew sets the steps. Knowing the numbers below means you can talk to both of us and get exactly what the project needs.

Treads vs solid steps: two different products

People use "stone steps" for two things that are built differently and priced differently.

  • Stair treads are flat slabs, usually about 2 inches thick, that sit on top of a built base. The riser underneath is block, poured concrete, or stacked stone, and the tread is the walking surface that caps it. Treads are the right call when a crew is building the staircase structure anyway.
  • Solid steps are single thick blocks of stone, commonly 6 to 7 inches tall, that ARE the step. Each block is both riser and tread in one piece. They go in faster, they cannot delaminate from a base, and they carry a chunkier, more natural look. The tradeoff is weight, which we will get to.

If you are matching an existing staircase, measure a current riser and tread before calling. If you are starting fresh, the choice usually comes down to the look you want and the equipment your crew has on site.

Sizing rules for natural stone stair treads

Rise: keep every step the same

Comfortable outdoor steps run about a 6 to 7 inch rise. More important than the exact number is consistency. A staircase where one step is 6 inches and the next is 7.5 will trip people every single time, because feet memorize the first step and expect the rest to match. This is why solid steps at a consistent 6 or 7 inch height are so popular: the consistency is built into the stone.

Tread depth: 12 inches is the floor, not the target

The flat part your foot lands on should be at least 12 inches deep, and outdoor steps feel better at 14 to 18. Outdoors, people take longer strides than they do on interior stairs, and a shallow tread feels stingy underfoot. When in doubt, go deeper.

Overhang and width

A tread that overhangs its riser by about an inch throws a shadow line that makes the whole staircase look intentional. On width, common tread lengths run 36 to 60 inches. A 36 inch step reads as a garden path; 48 and up reads as an entrance. Wider single pieces cost more per piece but eliminate the seam down the middle of the staircase.

How much treads and steps weigh

Stone weighs roughly 150 pounds per cubic foot, give or take by type. Run the numbers on a typical piece and you will see why planning matters:

  • A 2 inch thick tread, 14 inches deep and 48 inches long, comes in around 115 pounds. Two people can set it carefully.
  • A solid 6 inch step, 18 inches deep and 48 inches long, runs 450 pounds or more. That is machine territory: a skid steer, a mini excavator with a strap, or a crew with real rigging.

This is the single most common surprise on step projects. A homeowner orders beautiful solid steps, the delivery arrives, and there is no plan for moving them the last 80 feet to the slope. Before you order, know who is moving each piece and with what. When we quote delivery, tell us what is on the other end so the driver knows whether the forklift can reach the set-down spot.

Which stone to use for treads and steps

At the family level, three choices cover most Arkansas projects:

  • Limestone is the workhorse for sawn treads. It cuts clean, holds a crisp edge, gives a uniform buff-to-gray color, and its surface stays grippy rather than glassy when wet. Most of the tread questions we get end in limestone.
  • Sandstone steps bring warmer browns and tans and a more natural cleft face. They suit rustic paths and wooded lots where crisp sawn edges would look out of place.
  • Fieldstone slab steps are the fully natural option: thick irregular slabs laid as steps up a slope. No two alike, which is the point. Our guide to Arkansas sandstone vs limestone goes deeper on how the two base materials behave.

Whichever family you choose, pick all the steps for one staircase from the same run of stone so color stays consistent from bottom to top. This is a real advantage of buying from a yard where you can walk the inventory: you can see the actual pieces, not a catalog photo. Buyers have been doing exactly that on this ground for a long time, through the Bennett Brothers of Hot Springs heritage that goes back to 1972.

How ordering works

Natural stone stair treads and solid steps sell by the piece or by the pallet. For a small project, tell us the rise, the run, and the width you want, and we will pull the pieces. On cost, treads price by the piece, and the piece price follows size, thickness, and stone family, so a 36 inch limestone tread and a 60 inch solid sandstone step live in different brackets; call with your measurements and we will quote the current numbers rather than let an old chart mislead you. For contractors doing steps on every job, ordering by the pallet with a verified pro account gets trade pricing and net terms, and direct-to-jobsite delivery keeps the crew off the road. Either way, bring your measurements and we will convert them into a piece list at the counter or over the phone at 501-532-1905.

Frequently asked questions

How thick should a natural stone stair tread be?

Treads that cap a built base should be about 2 inches thick. Thinner stone spans poorly and can crack under a point load. Solid single-piece steps typically run 6 to 7 inches tall so the block itself creates a comfortable rise.

How much does one stone step weigh?

Figure roughly 150 pounds per cubic foot. A 2 inch by 14 inch by 48 inch tread is around 115 pounds; a solid 6 inch step at the same footprint can pass 450. Plan the move before the stone arrives.

Can I set stone treads myself?

Handy homeowners set lighter treads on well-prepared bases all the time, and slab steps up a garden slope are a classic weekend project. Full staircases tied to a structure are mason work. We supply either way, and we can point you toward masons who set steps if you need a name.

Do you deliver stair treads?

Yes. Local pickup at the Hot Springs Village yard is fastest for a few pieces, and we coordinate delivery for pallet orders across Garland and Saline counties and beyond. Freight runs on weight and distance, so have a rough piece count ready when you call.

Get the steps priced

Measure the rise and run, count the steps, and call the yard at 501-532-1905. We will help you choose between treads and solid steps, do the weight math, and quote the material. Or come walk the lot at 5643 N Hwy 7, Hot Springs Village, AR 71909 and pick the exact pieces yourself. You can also send measurements through our contact page and we will follow up with a quote.