Sikaflex Mortar Fix, Limestone, Polyurethane sealant for Repairing Damaged Mortar, Joints and Gaps. Sealing Mortar Cracks 10.1 fl. oz Cartridge (Pack of 1)

Used this to fill some mortar joint faces that had popped.Seems to work very well.

I used this on my chimney joints, seemed to work well and I think it will protect what's left of the mortar (4) tubes

It fills cracks with gray goop that eventually cures and looks nothing like mortar

I bought the one that is colored limestone, but it looks silver next to my mortar. I'll take another picture in a week or so once it's had time to cure to see if it changes colors.Either way, it is exactly the color that is shown from the manufacturer in the pictures when it comes out of the tube.

This is just the right texture & consistency for caulking the limestone of my house. There were hairline cracks in the limestone where I could see daylight from the garage to outside. Filling the cracks horizontally is easy with this product as it doesn’t easily leak out. I used this product name for self leveling sidewalks & the driveway also. Very happy with this brand. Be sure to use something such as paper towel or rag to catch the flow till you get it in the upright position. Otherwise quite messy.

worked

The color is like blue-gray. The texture is like glue, not regular mortar. It's super difficult to get it out of the tube. I had to remove it after applying it because it didn't match the original mortar at all. Oh well, super difficult to remove it. It wasted money and time. Now I have to shop in the local store to get one that can match the color. Don't buy.

Easy to use.