How To Add A Dormer To A Roof

Use a plumb bob to transfer the inside edge of the walls to the underside of the roof.

How to add a dormer to a roof. Roll the tarp up so you will be prepared in the event of rain. Dormers are often used in attic conversions to create more space more headroom or to simply reshape the space. Add a dormer to a roof in x1. When building a dormer an addition that comes through the roof to create a higher ceiling and more interior space you remove an area of the old roof and build the new structure.

Remove the shingles and the sheathing board from the area of the roof where the dormer will constructed. In order to create a consistent look the section of roof around the dormer may also need to be upgraded or replace. It typically costs between 2 500 to 20 000 for professional dormer installation or about 115 per square foot. Drag the dormer outline to the desired position over the roof object in sketch and click to place it.

There are several options for dormers including shed flat gable and hip. A dormer is a roofed structure often containing a window that projects vertically beyond the plane of a pitched roof. In the sketch tools above click the roof drop down arrow. Before you can cut the hole for the roof dormer you must know exactly where the side walls will be built.

Pan to your roof in the sketch workspace. Select the sketch tab. Mark the inside edges of the dormer s sidewalls in chalk. Keep in mind that most shingles and shakes will fade in only a few weeks.

Before you break out the tool kit or start calling contractors consider these factors. Smaller projects like adding a window dormer cost about 4 000 larger remodels like adding a bathroom dormer run about 24 000. Mark the dormer wall layout on the attic floor and make sure the dormer walls are square with the exterior wall of the house.