The gable dormer is the most common type.
Peek roof line dormer.
It has a roof that forms a peak with a triangular gable of wall above the window beneath.
It can be built with rafters that run from the walls and meet at a raised center ridge to form a peak or gable above two opposite walls.
Add a dormer to an existing top floor to change the look of your home add light and gain headroom inside the dormer.
Raise the pitch of a roof from flat or low slope to something steeper for aesthetic and practical reasons.
Start at the outward edge and lay a shingle across the ridge and nail with roofing nails.
Shed dormers often blur the line between a dormer and simply being a second story.
A common roof style with 2 sloped roof sections meeting at a peak centered above the end walls forming a symmetrical roof line.
The drawing at left shows our three square bracket in a dormer.
The 12 12 roof pitch is also known as a square pitch roof since a 90 degree angle is formed at the peak of such roofs.
Continue shingling in this manner by overlapping the next shingle until you reach the valley.
The top of the roof dormer is shingled across the ridge line.
Hipped almost as typical as the gable dormer these hipped roof dormers are one of the defining characteristics of the american foursquare.
Or with prebuilt trusses.
Add a second floor new top story covering part or all the home.
Raise the roof to create more cubic feet of space beneath it.