About Castohn Mountain Slate 24″ × 24″ Paver
Castohn Mountain Slate 24″ × 24″ is a large-format wet-cast concrete paver designed to recreate the look and texture of natural slate while providing the consistent dimensions of a manufactured paving slab.
The square 24″ × 24″ format works well for:
- Patios
- Courtyards
- Walkways
- Pool decks
- Garden paths
- Outdoor living spaces
- Modern and traditional landscape designs
Castohn’s Mountain Slate collection is known for its realistic slate-inspired texture, eased edges, consistent 2-1/2″ thickness, and slight color variation that helps create a more natural appearance.
Outdoor Warehouse Supply offers the Castohn Mountain Slate 24″ × 24″ paver as a special-order product.
| Product Details | Specifications |
|---|---|
| Product Name | Castohn Mountain Slate 24″ × 24″ Paver |
| Brand | Castohn |
| Product Type | Large-Format Wet-Cast Concrete Paver |
| Nominal Size | 24″ × 24″ |
| Nominal Thickness | 2-1/2″ |
| Nominal Surface Area | 4 sq. ft. per paver |
| Surface Texture | Natural slate texture |
| Edge Style | Eased edges |
| Appearance | Natural stone-inspired with slight color variation |
| Typical Applications | Patios, walkways, courtyards, pool decks & landscape paving |
| Availability at OWS | Special Order |
| Service Area | Dallas–Fort Worth & North Texas |
What Is Castohn Mountain Slate?
Castohn Mountain Slate is a wet-cast concrete paving collection designed to mimic the surface character of natural slate.
Instead of a perfectly smooth concrete finish, Mountain Slate provides:
- Natural-looking texture
- Subtle surface movement
- Slight color variation
- Softer eased edges
- A more stone-like appearance
The result is a manufactured paving slab that offers the visual appeal of slate with more predictable dimensions.
What Does Wet-Cast Concrete Mean?
Wet-cast concrete is made using a more fluid concrete mixture that is poured into detailed molds.
This process helps reproduce:
- Natural textures
- Fine surface details
- Stone-like patterns
- More subtle color transitions
Wet-cast products are often selected when appearance and texture are a major part of the design.
Why Choose a 24″ × 24″ Paver?
The 24″ × 24″ size offers a balanced square format that is large enough to create a clean architectural look while remaining more manageable than oversized slabs such as 36″ × 36″ or 24″ × 48″.
It works well for:
- Grid patterns
- Offset layouts
- Stepping-style designs
- Courtyard paving
- Pool-deck layouts
- Mixed-size Mountain Slate patterns
How Much Area Does One 24″ × 24″ Paver Cover?
A 24″ × 24″ paver measures:
2 ft. × 2 ft.
So each unit covers approximately:
4 square feet of nominal surface area
before accounting for joints.
How Many 24″ × 24″ Pavers Do I Need?
A simple starting formula is:
Project square footage ÷ 4 = approximate number of pavers
For example:
| Project Area | Approx. Pavers Before Waste |
|---|---|
| 40 sq. ft. | 10 |
| 80 sq. ft. | 20 |
| 160 sq. ft. | 40 |
| 200 sq. ft. | 50 |
| 400 sq. ft. | 100 |
Always allow extra for:
- Cuts
- Breakage
- Pattern layout
- Border conditions
- Future replacement
Because this is a special-order product, ordering the entire project quantity together is especially important.
How Thick Is Mountain Slate?
Castohn Mountain Slate uses a consistent:
2-1/2″ thickness
This helps make installation more predictable than natural stone, where thickness can vary from piece to piece.
Mountain Slate 24″ × 24″ for Patios
The 24″ square format is an excellent choice for patios.
It can create:
- Clean grid patterns
- Offset layouts
- Modern geometric designs
- Mixed-size layouts
The slate-inspired surface keeps the project from looking overly plain or industrial.
Mountain Slate for Courtyards
Courtyards are another strong application.
The square shape can help create a balanced, formal look while still maintaining natural texture.
It pairs well with:
- Outdoor kitchens
- Fire features
- Garden walls
- Planters
- Water features
- Seating areas
Mountain Slate for Walkways
The 24″ × 24″ size can work well for:
- Formal walkways
- Garden paths
- Entry paths
- Stepping layouts
- Broad pedestrian areas
Because the unit is square, it can be oriented easily without changing the visual proportions of the pattern.
Mountain Slate for Pool Decks
Mountain Slate can also be used in compatible pool-deck applications.
Its textured surface and large format can help create a high-end appearance around:
- Pools
- Spas
- Pool houses
- Outdoor kitchens
- Covered patios
Pool-deck installations should account for:
- Drainage
- Proper slope
- Slip considerations
- Coping transitions
- Joint material
What Does Mountain Slate Look Like?
Mountain Slate is designed to resemble natural slate.
Customers should expect:
- Layered-looking surface texture
- Stone-like visual depth
- Slight surface irregularity
- Natural-looking color variation
It is not intended to look perfectly uniform.
Does Mountain Slate Have Sharp Edges?
No.
The collection uses eased edges, which help soften the overall appearance.
Are All Mountain Slate Pavers Identical?
No.
Slight surface and color variation is part of the intended look.
This variation helps create a more realistic natural-stone appearance.
What Colors Are Available?
Castohn’s current South-region Mountain Slate collection includes:
- Graphite
- Chocolate
- Pearl
- Southern Buff
Because this is a special-order product through OWS, customers should confirm current manufacturer availability before placing an order.
Graphite Mountain Slate
Graphite provides a darker gray appearance.
It works especially well with:
- Modern homes
- Charcoal masonry
- Black steel edging
- Gray hardscape products
- Contemporary landscapes
Chocolate Mountain Slate
Chocolate provides a warm brown appearance.
It pairs well with:
- Brown natural stone
- Warm brick
- Rustic architecture
- Earth-tone landscapes
Pearl Mountain Slate
Pearl offers a lighter neutral appearance.
It can complement:
- White limestone
- Cream masonry
- Light stucco
- Modern architecture
- Bright outdoor spaces
Southern Buff Mountain Slate
Southern Buff provides a warm tan and buff appearance.
It coordinates well with:
- Texas limestone
- Cream stone
- Traditional North Texas homes
- Warm masonry colors
Is Mountain Slate Natural Stone?
No.
It is a manufactured wet-cast concrete paver designed to replicate the texture and appearance of natural slate.
This gives customers more consistency in:
- Thickness
- Dimensions
- Layout
- Elevation control
while still providing a stone-inspired finish.
Mountain Slate vs. Natural Slate
| Castohn Mountain Slate | Natural Slate |
|---|---|
| Wet-cast concrete | Natural stone |
| Consistent thickness | Thickness may vary |
| Predictable dimensions | Natural dimensional variation |
| Molded slate texture | Geological stone texture |
| Easier layout planning | More fitting may be required |
| Controlled color families | Natural color variation |
Mountain Slate vs. Standard Concrete Pavers
| Mountain Slate 24″ × 24″ | Standard Concrete Pavers |
|---|---|
| Large square format | Usually smaller modular units |
| Slate-inspired texture | Often smoother finish |
| 4 sq. ft. per unit | Smaller coverage per unit |
| Wet-cast construction | Commonly dry-cast |
| Fewer joints | More joint lines |
| Architectural appearance | More traditional paver look |
Why Is Base Preparation Important?
Large-format pavers require consistent support.
A 24″ × 24″ slab covers a larger surface area than a standard small paver.
If the base contains:
- High spots
- Low spots
- Voids
- Poorly compacted material
the slab can rock or settle unevenly.
How Should the Base Be Prepared?
A typical pedestrian installation may include:
- Proper excavation
- Compacted subgrade
- Compacted aggregate base
- Uniform bedding layer
- Careful paver placement
- Proper edge restraint
- Compatible joint material
- Final inspection and adjustment
Always follow Castohn’s current installation guidance for the project.
Can Mountain Slate Be Installed Over Concrete?
Potentially.
Some large-format concrete pavers can be installed over existing concrete using an approved overlay or mortar-set system.
The existing concrete should be checked for:
- Cracking
- Slope
- Drainage
- Structural stability
Does Mountain Slate Need Edge Restraint?
For most flexible-base installations, yes.
Edge restraint helps prevent the perimeter units from spreading outward and opening the joints.
Possible restraint systems include:
- Paver edging
- Concrete
- Steel edging
- Structural borders
What Joint Material Should Be Used?
Joint material should match the:
- Joint width
- Joint depth
- Installation system
- Base type
Polymeric sand may be appropriate when the joint dimensions and product requirements align.
Can Gator Maxx G2 Be Used?
Potentially, yes.
Gator Maxx G2 may be suitable if:
- Joint width is within specification
- Joint depth is sufficient
- The base system is compatible
- Installation instructions are followed
The actual installed joint should determine the final jointing product.
Can Mountain Slate Be Cut?
Yes.
Wet-cast concrete pavers can be cut for:
- Edges
- Borders
- Corners
- Drains
- Structures
- Curves
Use appropriate masonry-cutting equipment and proper silica-dust controls.
Is the 24″ × 24″ Mountain Slate Paver Heavy?
Yes.
A 24″ × 24″ × 2-1/2″ wet-cast concrete paver is much heavier than a conventional small paver.
OWS should confirm the current production weight before publishing a guaranteed individual weight.
Customers should plan for proper:
- Lifting
- Handling
- Crew size
- Jobsite access
Is This a DIY-Friendly Paver?
The 24″ × 24″ size is more manageable than some larger Mountain Slate slabs, but it is still a substantial wet-cast unit.
Experienced DIY customers may be able to handle smaller installations, while larger projects may be better suited to professional hardscape installers.
Can Mountain Slate Be Used on Driveways?
I would not market the 24″ × 24″ Mountain Slate as a driveway paver unless Castohn confirms the specific installation system for vehicle loading.
OWS should primarily position this product for pedestrian applications such as:
- Patios
- Walkways
- Courtyards
- Pool decks
Can Mountain Slate Be Sealed?
Yes.
A compatible wet-cast concrete sealer may help with:
- Stain resistance
- Easier cleaning
- Color enhancement
However, sealers can alter:
- Color
- Sheen
- Surface appearance
Always test a small area first.
How Should Mountain Slate Be Cleaned?
Routine maintenance may include:
- Sweeping debris
- Removing leaves
- Cleaning spills promptly
- Using compatible concrete cleaners
Avoid harsh chemicals that may damage the wet-cast finish.
Can Efflorescence Occur?
Yes.
Like other concrete products, Mountain Slate can develop temporary light mineral deposits known as efflorescence.
This is generally an appearance issue rather than a structural problem.
Is the Castohn Mountain Slate 24″ × 24″ In Stock at OWS?
No.
The Castohn Mountain Slate 24″ × 24″ paver is a special-order product through Outdoor Warehouse Supply.
How Do Special Orders Work?
Customers should provide OWS with:
- Desired color
- Approximate square footage
- Quantity needed
- Project timeline
Our sales staff can then confirm:
- Current availability
- Lead time
- Order quantities
- Pricing
- Pickup or delivery options
Why Should the Entire Project Be Ordered Together?
Concrete color can vary slightly between manufacturing runs.
Ordering the full project together helps reduce the chance of noticeable production-lot variation.
This is particularly important for special-order material that OWS does not routinely stock.
Can Special-Order Material Be Returned?
Special-order return policies may differ from normal stocked material.
Customers should confirm OWS’s current special-order terms before placing an order.
Pros & Cons of Castohn Mountain Slate 24″ × 24″
| Pros | Cons |
|---|---|
| Versatile 24″ square format | Special-order product |
| Approximately 4 sq. ft. per paver | Heavier than standard pavers |
| Natural slate-inspired texture | Requires careful base preparation |
| Consistent 2-1/2″ thickness | More difficult to handle than small pavers |
| Fewer joints than small pavers | Cutting requires proper masonry equipment |
| Excellent for patios and courtyards | Not automatically approved for vehicle traffic |
| Four current South-region colors | Color availability must be confirmed |
| Works well in modern and traditional designs | Replacement material may require another special order |
| Eased edges | Installation can cost more than basic pavers |
Castohn Mountain Slate 24″ × 24″ Pavers in Dallas–Fort Worth
Castohn Mountain Slate 24″ × 24″ pavers are a versatile option for Dallas–Fort Worth projects that need a large square paving unit with realistic natural slate texture.
Each 2′ × 2′ slab provides approximately 4 square feet of nominal surface coverage, making it useful for:
- Patios
- Courtyards
- Pool decks
- Walkways
- Garden paths
- Outdoor living spaces
Outdoor Warehouse Supply offers the Castohn Mountain Slate 24″ × 24″ paver by special order through our Plano and Lewisville locations.
Industry Contractor & Wholesale Pricing
Outdoor Warehouse Supply offers industry contractor and wholesale pricing for qualifying landscape contractors, hardscape installers, pool contractors, builders, designers, commercial landscapers, and other industry buyers.
Contractors can source Castohn Mountain Slate alongside base materials, Concrete Sand, polymeric joint materials, steel edging, retaining-wall products, and natural stone through OWS.
Contact our Plano or Lewisville sales staff for current color availability, special-order quantities, lead times, pricing, and delivery options.
Frequently Asked Questions
What is Castohn Mountain Slate 24″ × 24″?
It is a large-format wet-cast concrete paver designed to replicate the appearance and texture of natural slate.
How big is the Mountain Slate 24″ × 24″ paver?
Approximately 24 inches × 24 inches, or 2 feet × 2 feet.
How thick is it?
Approximately 2-1/2 inches.
How many square feet does one paver cover?
Approximately 4 square feet of nominal surface area.
Is Mountain Slate real slate?
No.
It is manufactured wet-cast concrete with a natural slate-inspired texture.
What colors are available?
Current South-region colors include:
- Graphite
- Chocolate
- Pearl
- Southern Buff
Availability should be confirmed before special ordering.
Does the color vary between pavers?
Yes.
Slight color variation is part of the intended natural appearance.
Are the edges sharp?
No.
Mountain Slate uses eased edges.
Is the 24″ × 24″ size good for patios?
Yes.
It is a versatile size for patios and other pedestrian hardscapes.
Can it be used for walkways?
Yes.
Can it be used in courtyards?
Yes.
Can it be used around pools?
Yes, in appropriately designed pedestrian pool-deck installations.
How many pavers do I need for 80 square feet?
Approximately 20 pavers before waste.
How many pavers do I need for 200 square feet?
Approximately 50 pavers before waste.
Should I order extra material?
Yes.
Allow extra for cuts, breakage, layout, and future replacement.
Does Mountain Slate need a compacted base?
Yes for typical flexible-base installations.
Can Mountain Slate be installed over concrete?
Potentially, with an approved installation method and a suitable existing slab.
Does it need edge restraint?
Most flexible-base installations benefit from proper edge restraint.
Can polymeric sand be used?
Potentially yes, if the selected joint product matches the actual joint dimensions and base system.
Can Gator Maxx G2 be used?
Potentially, provided all Alliance Gator requirements are met.
Can Mountain Slate be cut?
Yes.
Use proper masonry-cutting equipment and silica-dust controls.
Is the 24″ × 24″ paver heavy?
Yes.
It is a substantial wet-cast concrete paving slab and should be handled accordingly.
Is it good for DIY installations?
Smaller projects may be possible for experienced DIY customers, but professional installation may be preferable for larger areas.
Can it be used on driveways?
OWS should not advertise it for vehicle traffic unless Castohn approves the specific system.
Can Mountain Slate be sealed?
Yes, with a compatible wet-cast concrete sealer.
Can efflorescence occur?
Yes.
Temporary mineral deposits can occur on cement-based products.
Is the 24″ × 24″ Mountain Slate stocked at OWS?
No.
It is a special-order product.
Can OWS special order it?
Yes.
Contact our Plano or Lewisville sales staff for current availability, colors, pricing, and lead times.
Should I order the whole project at one time?
Yes when practical.
This helps minimize production-lot color differences and ensures sufficient material is available.
Is Castohn Mountain Slate 24″ × 24″ available in Dallas–Fort Worth?
Yes, by special order through Outdoor Warehouse Supply.
