Siloam Stone Inc's 640 acre deposit in the heart of the Colorado Rocky Mountain region offers the following wide range of natural sandstone products for exterior and interior applications. Will Siloam sandstone really hold up in my extreme environment? For most applications the answer is yes, we guarantee it. Siloam Stone comes from the Dakota Sandstone deposit, very well known for building stone integrity. Siloam is a quartzitic sandstone with excellent load bearing strength and freeze/thaw characteristics. Our stone has been tested under ASTM Standards in addition to over 35 years of actual performance history in some of the most extreme environmental conditions. When you're dealing with Siloam Stone, you can have the confidence of a company that has many years of quarry experience and enough stone reserves to ensure that when you or your client needs a new addition in the future, Siloam Stone will be there to match today’s installation.

Layered Sedimentary Sandstone

Description: Uniform stratified slab stone. Colors available: Sienna Buff, Sienna Grey.
Standard Pallets (avg. 1.5 ton per pallet)
Pallet Type Thickness Additional Comments
Type A: 2"-4" Hand Stack Veneer or Wall Stone
Type B: 3"-5" Hand Stack Veneer or Wall Stone
Type C: 1"-3" Veneer, Patio or Walkway (large sizes available)
Type D: 4"-6" Hand Stack Veneer or Wall Stone
Thicker Sizes available in two man or machine lift sizes. Light Weight Thin Veneer and Custom Split Stone is also available on a special order basis.
Stair Treads & Retaining Wall Slabs
Pallet Type Thickness Approx. Width Approx. Length Approx. Wt. per piece
Type A: 4"-7" 2' 3' 4-450 lbs.
Type B: 4"-7" 2'-3' 4' 850-950 lbs.
Larger Sizes are available. (see below)
Standard Palletized Sizes (avg. 1.5 Ton per pallet)
Large Bulk Loaded Slabs
Thickness Width Length Bulk Loading
4"-12" Up to 12' Up to 16' 500 lbs. to 10 tons
Excellent options for Signs, Bridges & Patios
Siloam Quarry Blocks & Thick Slabs
Thickness Approx. Width Approx. Length
12"-48" 18"-8' 3'-12'
Applications include Bench Slabs, Retaining Walls, Monuments, Water Features or any application where a massive statement is needed.
Cinnamon Shadow Quarry Boulders
Type Approx. Size Approx. Weight Per Piece
Type A: 1'-3' diameter 100-2,000 lbs.
Type B: 2'-4' diameter 600-3,000 lbs.
Type C: 4'-6' diameter 4,000-16,000 lbs.
A & B sizes are normally bulk loaded - (Tandem or End Dump)
Custom Select sizes are also available upon request
Larger sizes are available
Applications include: landscape accents, retaining walls, water features, monuments & signage
We also offer the following Bulk Slab Materials:
Bulk Wall Stone 3-7” Thick
Select hand stackable wall stone; shipped in Tandem or End Dump.
Bulk Wall Stone 6-10” Thick
Select 2 man or small machine size; shipped in Tandem or End Dump.
Bulk Wall Stone 8-14” Thick
Select machine installed; shipped in Tandem or End Dump.
Rip-Rap 4-12” Diameter
Economic rubble rip-rap for erosion control; shipped in Tandem or End Dump.

From the Surface

Field Stone
Description: Naturally weathered moss less surface stone
Type Thickness Length Width
Type A: 2"-5" 12"-24" 8"-18"
Type B: 6"-10" 12"-24" 8"-18"
Standard pallet (avg. 1.5 ton / pallet)
Canyon Stone & Specimen Stone
Type Approx. Size Approx. Weight Per Piece
Type A (Palletized): 1'-2' diameter 100-400 lbs.
Type B: 2'-3' diameter 500-2,000 lbs.
Type C: 3'-4' diameter 2,000-4,000 lbs.
Type D: Over 4' diameter 2-25 Ton
All shapes shipped on flat bed trailer to ensure quality & integrity.
Canyon Stone - high quality dark color blends surface stone with or without moss cover.
Specimen Stone - dramatic shapes with spectacular erosion characteristics, normally moss covered. These shapes meet or exceed the expectations of the most demanding stone enthusiast. (The neighbors will take notice.)
Applications include: landscape accents, retaining walls, water features & monuments.
Moss Rock
Description: Naturally weathered moss covered surface stone
Type Thickness Length Width
Type A: 2"-5" 12"-24" 8"-18"
Type B: 6"-10" 12"-24" 8"-18"
Standard pallet (avg. 1.5 ton / pallet)