Scoop some mortar into an old bucket and use a trowel and mortarboard to apply it on areas where the old mortar was removed.
Roof verge mortar repair.
Dry fix options for verges are also available from a number of manufacturers.
Repair small cracks small cracks in the mortar of the verge can be quickly and easily fixed by using a roof and gutter sealant.
Sand and cement being the only materials apart from the odd tile if any are broken on removal its not a big job and done correctly you should not have any problems for quite a while.
Tiles on the verge are often mortared to prevent rain and wind from getting underneath the tiles.
When the mortar on a verge crumbles or disappears then there is a risk of leaks from water being blown into the roof space.
You can buy sealant in several colours to match the mortar if it is to be left unpainted.
Over four years ago i repaired about two metres of roof verge using a mix of 4 sharp sand to one of cement.
The best way to fix that is to have the verge tiles removed the old cement raked out and then have the tiles re bedded on to new cement.
Rebedding roof verges by making necessary repairments a cement mortar is known as roof bedding.
The good news is it is still as solid as a rock.
This is injected into the crack with the applicator and allowed to dry before being painted over if required.
I used this mix because as a complete roofing novice i happened on to this site.
Bear in mind that as time will pass the bedding will gradually wear out.
Its job is to keep a lash on the roof tiles.