Constructions Standards Checklists

BRICK – GENERAL

WALL CLADDING  A. An appropriate UV resistant through-wall flashing is installed at the base of the wall and is integrated with the water-resistive barrier (WRB) and extends or weeps flush to the exterior surface of the wall.  B. The maximum air space must comply with code and the installation instructions for the veneer ties and be clear of excess mortar.  C. For brick below grade, air space is flled with grout from below grade up to the through-wall flashing at frame-to-foundation transition.  D. Weepholes provided in the outside wythe of masonry walls at a maximum spacing of 33" o.c. Weepholes are located immediately on the through-wall flashing (no open joints or rope wicks).  E. The corrosion-resistant veneer ties begin at the fourth course and are spaced per the

manufacturer instructions, depending on the size of airspace.  F. Veneer ties are fastened into a wall stud with non-corrosion fasteners maximum 1/2" from the bend in the tie. Nails used as fasteners must be minimum 8D 2 ½” hot-dipped galvanized.  G. Veneer ties embedded in mortar at least 1 ½" and have a minimum of 5/8" mortar coverage from the exposed face of the brick.  H. Mortar joints are a minimum of 3/8" thickness and maximum of 1/2" thickness and are a consistent thickness throughout the wall area. Head joints are fully mortared.  I. Appropriate spacing (1/8") maintained at brick terminations at dissimilar materials (siding, trim, cultured stone etc.) and fnished with backer rod and/or sealant.  J. Z-Flashing installed at all horizontal transitions at dissimilar materials, integrated behind or sealed to the WRB with flashing tape.  K. Brick veneer must bear on structural support and be installed in accordance with Brick Industry Association (BIA) Technical Note 7B.

CONSTRUCTION STANDARDS CHECKLISTS | Wall Cladding | 59