Mansard Roof Drainage

The steep sides mansard roof mostly consist of a sharp point at the top of the roof.

Mansard roof drainage.

On the other hand the style of the double pitched drainage system forms the most reasonable one comparatively. The steep sided style and the double pitched styles are the two primary styles of mansard roofs. The drainage system of water and snow makes the key distinction between these two styles. This means that large amounts of water can end up standing on your roof which can cause leaks and mold growth inside your home.

A significant difference between the two for snow loading and water drainage is that when seen from above gambrel roofs culminate in a long sharp point at the main roof beam whereas mansard roofs always form a low pitched roof. The same can t be said about the double pitched style which only has an average drainage capability. The design thus ensures even drainage from all the sides. The two primary styles of mansard roofs are the steep sided and the double pitched.

The steep sided roof allows better drainage as it has sharper and longer slopes. Mansard roofs are not ideal for areas that receive heavy amounts of rain and snowfall because the second flat slope on the upper portion of the roof does not allow for rapid drainage of runoff. The longer and sharper the slopes are the better will be the drainage system. More prolonged and sharper slopes are better for the efficient drainage system.

The key distinction between these two styles is the water drainage system. On the other hand the traditional double pitch mansard roof can produce only reasonable drainage from the low pitch area of the roof. Design mansard roofs often look dated out of place in a neighborhood or don t match historical details of a dwelling. Advantages of mansard roof.

A history lesson on mansard roofs. Drainage and rot water issues with drainage rot and interruptions of the mansard roofline for windows and doors. Although the creation of the mansard roof is accredited to françois mansart 1598 1666 he was not the first to implement this roof architecture. Gravity unsightly and unsafe most roofing materials are dragged down by gravity.

It provides extra usable space. Water could then pour off overhanging roof eaves onto the ground below or in more sophisti cated assemblies flow toward the perimeter and into a clay wood or metal gutter system or through a drainage outlet in the exterior walls. In france and germany no distinction is made between gambrels and mansards they are both called mansards.