Aside from the cracks the majority of the mortar is still sound and may be difficult to remove without damaging displacing the slates.
Roof edge mortar repair.
By avoiding some typical mistakes you should be able to ensure that your home remains protected from the elements.
I would then probably coat the entire point with a waterproof seal.
Concrete tile roof repair can be a very challenging process.
If there are repairs to be done on the roof replace worn out tiles and make sure the entire surface is covered.
You can buy sealant in several colours to match the mortar if it is to be left unpainted.
You can get dry verge systems that replace the mortar with a sort of bend over edge in plastic or tile.
Repair small cracks small cracks in the mortar of the verge can be quickly and easily fixed by using a roof and gutter sealant.
Depending on how the roofs join you may have to cut a slot to work it in far enough.
If possible i intend to fill the cracks and seal the gaps.
Afaik it is quite a bit of work to fit them to an existing roof but fairly easy when you are building or reroofing i have the same problem.
Use a cold chisel and club hammer to get rid of worn out and damaged mortar.
Step 3 prepare the surface.
Remove loose and worn out roofing material as well.
This is injected into the crack with the applicator and allowed to dry before being painted over if required.