Select build roof roof plane then click and drag out the first roof plane being sure to draw the roof plane s baseline on the outer edge of the framing layer of the wall defining the rear of the structure.
How to frame a barrell roof.
The arches must be at least 6 inches wide then glue and screws two arcs together.
First frame your barrel roof dormer up to the top plates in the conventional way but leave the roof sheathing and framing on the main house intact above the dormer top plates.
If you are unfamiliar with what a baseline is within home designer pro click on the help menu and select launch help.
The first to frame a barrel roof cut two arch shapes from 3 4 inch plywood.
Cut a notch at the height of the finished bow.