Of 150 years
The slope should be 4:12 or higher — 4 inches horizontally 12 inches vertically. The cooler the roof, the longer it will serve.
When choosing the roof elements, you need to proceed from the calculation of 150 years.
The slope should be 4:12 or higher — 4 inches horizontally 12 inches vertically. The cooler the roof, the longer it will serve.
When choosing the roof elements, you need to proceed from the calculation of 150 years.