What Is The Minimum Slope For A Flat Roof?
What Is The Minimum Slope For A Flat Roof? The minimum slope for a flat roof is 1:80, which means that for every 80 units of horizontal length, the roof should fall at least 1 unit. However, it is often advisable to have a minimum slope of 1:40, providing more effective rainwater shedding. Flat roofs […]