All roofs must be slightly sloped to allow for proper drainage. Flat roofs must be slightly sloped towards the middle or the edges to allow water to drain properly. ... Many flat roofs experience leaking problems because of poor drainage, so ongoing maintenance is important.
What is the purpose of sloping roofs?
Sloped roofs are designed to allow precipitation like rain and snow to slide right off. The pitch reduces the beating taken by a roof, which helps to minimize damage when your roof begins to age.Dec 7, 2020
Why don t houses have flat roofs?
Standing water can collapse a flat roof posing dangerous risks to the occupants of the house. Flat roofs cannot endure the weight of snow buildup and heavy rains and eventually breakdown or leak along the seams. Flat roofs cover a large area. This makes them less stable compared to the sloped roofs.