Leave a Legacy That Lasts
Great masonry restoration takes more than good intentions. Drawing on six decades of experience, master mason Dennis Rude challenges conventional practices, shares hard-earned lessons, and explains why the decisions architects and craftsmen make today will determine what future generations inherit.
Headed to APT in Indianapolis?
Headed to APT in Indianapolis? Be sure to include the workshop option so that you can join us and get your hands on the very best masonry paint: potassium silicate mineral paint.
Goucher College's Historic Preservation Program Returns to Cathedral Stone
The lab tour was a big highlight: students were especially struck by our salt testing program and the ways salts interact with mortar, lime, and coatings — including latex, acrylic, elastomeric, and potassium silicate systems. It's one thing to know that incompatible materials can fail; it's another to see the evidence of how and why.
Upcoming Webinar: Introducing the Campus Solutions Masonry Maintenance Kit
August 12, 2026 at 2:30 PM ET
Cathedral Stone at Camp NAWIC
"They were fearless," said Dennis. "Every one of them finished a patch. Mortar was smeared on faces, in their hair, on their clothes — none of it bothered them."
When the White House Calls
There aren't many stonemasons who can say they've jackhammered the White House. But during the Reagan administration, that's exactly what I did.
Introducing Campus Solutions: Practical Masonry Maintenance for Facilities Maintenance Crews
The first product in the line is the Masonry Maintenance Kit, and it's designed around a simple principle: most masonry maintenance decisions are decisions about which product to use, and you should not make that decision without testing.