STANDARDS OF PRACTICE
The International Standards of Practice for inspecting the roof system is located at www.nachi.org/sop.
MASTERING ROOF INSPECTIONS
To learn about inspecting clay tile roofs, please visit Mastering Roof Inspections.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2017/09/missing-fasteners-1-768x432.jpg)
Missing fasteners.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2017/09/loose-clay-tiles-1-768x432.jpg)
Loose tiles at the headwall should be secured.
Observation
![Observation](https://www.nachi.org/school/wp-content/uploads/sites/2/2017/09/channel-flashing-1-768x432.jpg)
Nail penetrating the channel flashing.
![](https://www.nachi.org/school/wp-content/uploads/sites/2/2017/09/clay-roof-diagram.jpg)