Each kit includes all the colors typically needed for your choice of masonry type.

I’d used a lot of different repair materials, but I’d never experienced anything anywhere near as good as Jahn Mortar.

…but they also do so much more than a lab test in illustrating the initial bond strength and potential full-cure bond strength.

“The Evolution of Mortar” that included a discussion of how our Jahn Substrate Specific/Engineered Mortars were developed. This educational presentation qualifies as one AIA Continuing Education Learning Unit (AIA CE LU).

Learn how to change/tweak mortar colors on the job site.

Cleaning of the interior of a beautiful chapel in a gorgeous setting, with a striking 145-foot bell tower and the Atlantic Ocean as a backdrop, using Cathedral Stone Products’ waterless cleaning system—our Latex Based Cleaner is the ultimate interior solution when you want to avoid using water.

Cathedral Stone Product line consists of materials and tools that make the “invisible” masonry repair possible, as these preservation professionals learned on-site.

CSP supports the effort by training cemetery preservation interns and staff at no charge. In exchange, Green-Wood allows CSP to use its maintenance garage for our demonstrations, which CSP offers to engineers, architects, preservationists, and others.