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Treads/Sills/Caps


Rock Mountain Products is your King County Garden Center and retail nursery.

Check out our new treads/sills/caps product line below:

Blue Ridge Granite Treads

Flamed [1] Long Edge & Top

Available Sizes:

Thickness: 2"

Depth: 14"

Length: 48"/60"

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Bluestone Sills - True Blue or Full Color

Flamed [1] Long Edge & Top

Available Sizes:

Thickness: 2"

Depth: 4"/6"/8"/10"

Length: *inquire for current inventory*

*Custom order Bluestone Sill available*

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Bluestone Treads - True Blue or Full Color

Flamed [1] Long Edge & Top

Available Sizes:

Thickness: 2"

Depth: 12"/14"/16"/18"

Length: 30"/36"/48"/60"/72"

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Indiana Limestone Caps - Full Color

Smooth Top & [2] Rock Faced Long Edges

Available Sizes:

Thickness: 2"

Depth: 12"

Length: 24"

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Indiana Limestone Treads - Full Color

Smooth Top & Sawn Edges

Available Sizes:

Thickness: 2"

Depth: 12"/14"/16"/18"

Length: 36"/48"/60"/72"

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Mongolian Black Basalt Treads

Flamed & Brushed Top & Flamed or Rock Faced [1] Long Edge

Available Sizes:

Thickness: 2"

Depth: 12"/14"

Length: 48"/60"

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Stone Caps - Custom Order -

*Inquire within for custom order stone caps*

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