I would talk to the vendor.
There is some current thought that ancorage (at the block) is not nearly as important as once thought. The stability of the system is provided by the reinforced earth and the block face mostly provides protection and the esthetic. I picked this information up at a...
Re: Thread 255-322322; I'm familiar with FHWA CFL/TD-06-006; I've a contractor that want's to use granite blast rubble for backfill behind an 18ft tall rockery. Very angular but randomly graded (4in to 24in pieces). Any ideas about weight and lateral pressures or potential problems? (I'm always...