Minimum Roof Pitch For Dormers

However you can only use this pitch with built up roofing or specialized.

Minimum roof pitch for dormers.

A shed dormer on the other hand is usually had on homes with a roof pitch of at least 8 in 12 or steeper. 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. You should have at least an 8 12 pitch for it to look as if it belongs. A shallow pitch cannot sustain a dormer window simply because the interior space makes a dormer window impossible.

These are the windows that seem to stick out from the face of a roof. 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. 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.

This type of dormer needs a roof pitch shallower than that of the original. Roof dormers add light. This image shows a relatively shallow roof pitch of 15 degrees. 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.