We cut our stone to standard sizes, as well as custom-cut it to spec, depending on your needs.
Download our brochure for design ideas and installation techniques.
Lyons sandstone is a proven material in Colorado
1894 church in Lyons, CO
100+ year old sidewalks in Denver, CO
1904 building in Longmont, COAnalysis of Lyons Red Quartzitic Sandstone
Specific Gravity: 2.523
Unit Weight: 157.4
Silica – SiO: 95.54
Aluminum Oxide – A1203: 1.96
Calcium Oxide: 0.50
Magnesium Oxide – MgO: 0.58
Cobalt – Co: 0.08
Lows on ignition including moisture: 0.70
Copper – Cu: Trace
ASTM Properties for Lyons Sandstone
ASTM C 170 Compressive Strength: average psi perpendicular to the rift 32,402
ASTM C99 Modulus of Rupture: average psi perpendicular to the rift 2552 psi
A 2” thick red sandstone paver 24” x 24” will support 12,813 lbs.
ASTM C97 Absorption & Specific Gravity: average 0.77% Absorption and 158.8 lb/cu ft Specific Gravity
ASTM C880 Flexural Strength: average psi perpendicular to the rift: 2882
ANSI A137.1-2012 Wet Dynamic Coefficient of Friction: average results .785 (natural cleft)
ASTM C1028 Static Coefficient of Friction: dry 1.20 wet 1.07 (natural cleft)
Test Summaries from Spring of 2015. In most cases they are the average from 5 samples. These test were performed by TCNA and certified by Katelyn Simpson, Laboratory Manager. Complete Results Available upon request.
Please note that Colorado Red Sandstone is a natural product and is subject to considerable variation in color and cleft.
Natural Stone Institute
Rocky Mountain Masonry Institute