Hello experts,
I am currently installing new coping stones on a wall and partly repainting existing old ones. I want to paint both the new and old stones uniformly. The joints are planned to be sealed and painted over with OTTOSEAL M360 hybrid sealant.
For the coping stones, I have mixed Caparol Muresko paint, and for the base, I have mixed Caparol Sylitol Finish 130. For the base (2mm (0.08 inches) scratch render), I was recommended to use Caparol Sylitol RapidGrund as a primer.
How should I prime or paint the coping stones? Is a primer necessary, or can I possibly skip it?
Photos of the new and old stones are attached to illustrate.
I would appreciate tips and experiences.
Thank you for your help!

I am currently installing new coping stones on a wall and partly repainting existing old ones. I want to paint both the new and old stones uniformly. The joints are planned to be sealed and painted over with OTTOSEAL M360 hybrid sealant.
For the coping stones, I have mixed Caparol Muresko paint, and for the base, I have mixed Caparol Sylitol Finish 130. For the base (2mm (0.08 inches) scratch render), I was recommended to use Caparol Sylitol RapidGrund as a primer.
How should I prime or paint the coping stones? Is a primer necessary, or can I possibly skip it?
Photos of the new and old stones are attached to illustrate.
I would appreciate tips and experiences.
Thank you for your help!
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