High Strength, 15 min Set, Featheredge

this stuff kicks a mule in the Richard!!! mix in small batches after prep work and keep on laying stone!!!... use it to glue masonry... stone or whatever first... then point it with mortar, or back fill with concrete.( do not mix it in with Portland products though..) this stuff sets up fast!! ...and strong as frickin heckin hell. You just need to be ready,... before you mix with any water, ...really ready...!!!