A 1/8 per foot pitch is good.
As far as I know bluestone has no erosion problems.
Regular mortar (dyed to your choice) will work.
A 7.25 in Diamond wet-saw, is a great stone cutting machine for these.
ED
As far as I know bluestone has no erosion problems.
Regular mortar (dyed to your choice) will work.
A 7.25 in Diamond wet-saw, is a great stone cutting machine for these.
ED