![Testing the Bond Strength of a Jahn Limestone Repair [video]](https://images.squarespace-cdn.com/content/v1/5f63a3d8c47b2d03abcc14e6/1604339750505-2PC2WL0MWOI5HD1GGEBB/still+image.jpg)
Testing the Bond Strength of a Jahn Limestone Repair [video]
The limestone repair in the video is 4-5 inches deep and was done with no pins and no bonding agents.
The limestone repair in the video is 4-5 inches deep and was done with no pins and no bonding agents.