Mason Sand in Montana
Montana masonry and patio finishing often go wrong when Mason Sand is used under a structural layer instead of at the surface.
- Size: Ultra-fine, consistent grain size
- Grading: Washed to remove clay, silt and organic impurities
From $467 for 1 ton, delivery included
Larger loads cost less per ton: 2000 tons is $89,160 ($44.58 per ton). Pick any quantity below for a delivered price.
Free delivery included
Free delivery anywhere in Montana
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Weekday delivery, earliest Oct 15
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Everything You Need to Know About Mason Sand
Size and Grading
- Size
- Ultra-fine, consistent grain size
- Grading
- Washed to remove clay, silt and organic impurities
A frequent mistake is treating Mason Sand as the answer to ground support. It is better reserved for mortar, stucco, grouting, and the visible paver work after the supporting materials are ready. The material is washed and has a soft texture, which helps it fit tasks that call for a neat, workable finish. It can also be used in play spaces where a gentler feel is wanted.
Across Montana, ground conditions can change from water-holding clay east of the Continental Divide to draining valley gravel farther west. Deep frost and seasonal movement make the work below a patio or walkway important. For paver installation, prepare the support layer underneath before placing Mason Sand for bedding or joint work. Keeping those roles separate helps prevent a finish material from being asked to carry the site preparation.
Quickly Calculate How Much You Need
Material: Mason Sand
How to Measure
Measure the length and width of your project area in feet
Decide on depth in inches (2" for landscaping, 4" for driveways)
Enter the values above and we'll calculate the tonnage you need
Need help figuring out the right amount? We can help!
Call or text us at (406) 626-8957 and we'll help you calculate the right quantity for your project.
Not sure how much you need? The Sand Calculator has depth guides, coverage charts and worked examples for this material.
Common Uses
Mortar & Stucco Mixing
For masonry work, use mason sand in mortar, stucco, and grout blends. The small, even grains make a mix that is easy to trowel, spreads consistently, and helps masonry materials adhere.
Paver Installation
Mason sand can serve as the bedding course below pavers and fill the joints between interlocking units. Its fine particles create a level setting layer and work down into the joints.
Children's Play Sand
Washed mason sand has fine particles that make a comfortable fill for children's play boxes and similar areas. With debris and coarse pieces removed, it is gentle against hands and feet.
Volleyball Courts & Recreation
For volleyball court surfacing, mason sand provides an even, soft layer for barefoot activity. Its consistent texture cushions landings during play.
Why Choose Mason Sand
Fine, Smooth Texture
Fine grading combined with washing gives mason sand a uniform, smooth feel. It is useful for mortar work and finish applications requiring clean, workable material.
Washed & Clean
Washing mason sand removes silt, clay, and organic debris from each batch. The resulting material supports mortar bonding and leaves recreation surfaces clean.
Consistent Grain Size
Mason sand is graded for uniform particle size, helping mortar, leveling beds, and recreation surfaces perform predictably. Similar sizing helps maintain repeatable results across a project.
Recreation Surfaces
For sandboxes, playgrounds, and athletic courts, mason sand offers a soft, washed surface. It provides a clean material for active play.


