Minimum Roof Pitch For Dormers

If the dormer is built above living space rather than over an attic or if you re converting attic space to living space then it provides much needed natural light.

Minimum roof pitch for dormers.

It would end up looking very long and awkward. You need to have a roof pitch that gives you at least the height of a window and then some. Minimum roof pitch the minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Pitched roofs can also be used to incorporate roof lights angled in a specific direction or dormer windows.

Dormers are wonderful spots for a reading nook kids play area dressing area and other uses where extra light is a bonus. A shed dormer on the other hand is usually had on homes with a roof pitch of at least 8 in 12 or steeper. Roof dormers add light. The loft space would be much larger with a roof pitch of 45 degrees.

These are the windows that seem to stick out from the face of a roof. That pitch is too shallow to hold the shape of the dormer. However you can only use this pitch with built up roofing or specialized. This image shows a relatively shallow roof pitch of 15 degrees.

Having a steeper pitched roof allows for more space in a shed loft.