Jahn Certification Training is Returning to 3-Days
Beginning April 2024, our Jahn Certification Course will again be 3 full days.
Repairing Tuckahoe Marble — the Right Way
ROCK Architecture & Engineering called on Cathedral Stone Products to assess 100 Grand Street in Lower Manhattan due to the delamination of its Tuckahoe marble facade. Jahn M120 Repair Mortar, specially engineered for compatibility with marble and which do not trap moisture or salt, were recommended.
![Masonry Bio-Cleaner: Biological Stain Remover & Light Duty Cleaner in One [DEMO]](https://images.squarespace-cdn.com/content/v1/5f63a3d8c47b2d03abcc14e6/1702327746920-CKF73BABD79CUF412ZKP/Bio+Cleaner+Demo+small.jpg)
Masonry Bio-Cleaner: Biological Stain Remover & Light Duty Cleaner in One [DEMO]
It’s works great on stone, brick, terra cotta facades and concrete structures and walkways and is especially good on grave markers and statues.
Paint Stripper Leads to Discovery on Historic Manhattan Hotel
Years of moisture and salt were damaging the original substrate at Hotel 17 in Lower Manhattan. Epstein Engineering sought a recommendation for a paint stripper to remove that non-breathable coating. Our Heavy Duty Paint Remover was specified.
Avoid These Common Masonry Repair Mortar Scratch Coat Mistakes
Beware the easy route: it seems budget-savvy to use an inexpensive scratch coat for most of the depth and then complete the final few inches with a more expensive finishing product. But is it?