Final answer:
Typically, one or two nails are required per clay tile for roofing, and nails are bought by weight rather than counted individually for efficiency.
Step-by-step explanation:
The number of nails required per clay tile for roofing typically depends on the tile design, the local building code, and the roofing method. However, a standard practice is to use one or two nails for each clay tile.
Since this is a task often associated with construction projects involving a significant number of tiles, to be efficient, you don't count each nail individually; instead, nails are purchased by weight. People usually find out how many nails are in a pound and then calculate how many pounds they will need for their entire roofing project.
When it comes to roofing with clay tiles, the number of nails required per tile depends on the size of the tile and the roofing system used. Generally, you will need 2 to 4 nails per tile.
For example, if you have a standard-sized tile and are using a single nail per corner, you would need 4 nails per tile. However, if you are using a more secure system that requires additional nails in the center of the tile, you may need up to 8 nails per tile.
You can always refer to the manufacturer's guidelines or consult with a roofing professional to determine the exact number of nails needed for your specific project.