Place joint reinforcement on top of block and apply mortar. Each should be centered by eye approximately 1" within both interior and exterior wall edges. (Width of side rods on reinforcement to be approximately 2" less than nominal wall thickness.) Fill the collar joint between back-up and facing with mortar as the work progresses or slush fill to 1 to 23 p.c. grout.

Spacing ties should be in accordance with local building code requirements. In the absence of a building code requirement, they should be installed continuously in horizontal mortar joint and at vertical intervals of not less than 16". The top course and the first two courses above and below wall openings should be reinforced in all walls.

At opening, the reinforcement should extend 24" to the end of the panel. Lap all sections 6" to form proper splices.