Lyons Sandstone is a proud member of the Rocky Mountain Masonry Institute and Natural Stone Institute. Below are links to design and specification aids as well as online classes from both organizations.
Natural Stone Institute Design Manuals
If you’re going to work with natural stone, this is THE manual for doing it.
RMMI Seminars & Workshops
Continuing Education Credits Available
Natural Stone Institute Classes
Continuing Education Credits Available
Rocky Mountain Masonry Institute