STANDARDS OF PRACTICE
The International Standards of Practice for inspecting the Exterior is located at www.nachi.org/sop.
Brick Veneer
Brick veneer bonded with Thinset to cement board coated with bonding agent, installed over Tyvek.
Lower Section
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/11b_no_weep_screedJPG-768x576.jpg)
Inadequate clearance from grade: 4” from soil/2” from grade.
No weep screed installed to allow moisture drainage.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/12_no_mortar-768x576.jpg)
Some bricks have no mortar joint at the inside corner.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/13_Thinset_used_as_mortar-768x1024.jpg)
Thinset used as mortar.
Observation
Brick veneer traps the window frame making removal more complicated and expensive than if it were properly installed.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/Improper_flashing_above_window-768x576.jpg)
Improper flashing above the window.
Upper Section
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/178910_Poor_brick_veneer_installation-768x576.jpg)
Bricks not cut to the angle of the roof at the sidewall.
Observation
Peel and stick left exposed at flashing.
Observation
Substrate visible at mortar joints
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/110_Vertical_joints_align-768x1024.jpg)
Vertical joints align.
Observation
Joints on adjacent walls do not align at inside corner.
Stone Veneer
Lower Section
Observation
Inadequate clearance from grade.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/11314_Missing_mortar-768x1024.jpg)
Substrate is visible between stones in some areas.
Observation
No mortar is installed between stones.
Upper Section
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/115_No_kickout_sealant-768x576.jpg)
Inadequately sealed behind kickout flashing.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/11617_Poor_installation-768x576.jpg)
Sidewall cut is not parallel to roof surface.
Observation
Sidewall cut exposes cement board and peel & stick flashing.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/118_Joints_align-768x1024.jpg)
Substrate visible at inside corner.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2018/02/11920_detachment-768x1024.jpg)
Observation
Partially detached stone.
Observation
Detached cement board.
Additional Resources
Read an article discussing the differences in stone and brick veneer.