What is the minimum slope allowed for metal shingles?

The minimum slope allowed for metal shingles is 3/12, which translates to a pitch of about 25%. This slope is essential for proper water runoff, ensuring that rainwater can flow off the roof effectively and preventing water from pooling, which could lead to leaks or deterioration of the roofing material.

Metal shingles are designed to be installed on roofs with a certain minimum pitch to maintain their integrity and functionality. A slope of at least 3/12 is recommended to facilitate the shedding of water, thereby enhancing their performance and lifespan. This slope helps ensure that the metal shingles can effectively perform their role in protecting the underlying structure from water intrusion.

Other slope options provided in the question do not represent the minimum requirement for metal shingles. While steeper slopes are certainly acceptable and may enhance drainage even further, a pitch below 3/12 could lead to improper water drainage, increasing the risk of roof leaks and damage over time.