For installation instructions we provide the stone veneer installation guide from the Masonry Veneer Manufacturers Association(MVMA). The MVMA was a driving force in the development of the American Society for Testing and Materials (ASTM) specifications. You can download the installation specs below.
These instructions are updated regularly, you should also visit the MVMA website for the most recent version.
A quick note about ledgestone, also known as stacked stone: we do not recommend a mortar-less joint for these products. We believe that we are too far north, that there are too many freeze-thaw cycles for the stone to say on the wall ‘forever’. If you do want the mortar-less look you should use a good bonding agent. It is also helpful to create a joint that is raked out so that at least ½” of mortar is between the stone and the surface of your scratch coat.