Framing A Bonnet Roof

As pictured above it is likely to extend much further than a mansard besides having the lower pitched slope on the bottom.

Framing a bonnet roof.

It s like a reverse mansard. Figure 2 2 roof framing terms. So if the pitch of your roof is 7 12 place one stair gauge on the vertical part of the framing square the tongue at the 7 inches 18 cm mark and place one stair gauge on the horizontal part of the framing square the body at the 12 inches 30 cm mark. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches.

Bonnet roofs also known as kicked eaves are double sloped with the lower slope set at less of an angle than the upper slope. The run or half the building span is the base of the triangle. This overhang is an excellent cover for an open porch. Discover the 36 different types of roofs for a house.

If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12. Nail 2 boards onto your walls as top plates. Includes a frame bonnet gable hip mansard butterfly valley combination shed and more. And the line length measurement from the roof peak to the building wall is the hypotenuse.

Line length is the hyptenuse of the triangle whose. Bonnet roofs are not commonly used roofs in modern houses. The rise or height of the roof at its peak is the altitude of the triangle. The lower slope hangs over the side of the house.

This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs. The upper portion of the roof is heavily pitched and the lower slope is gently pitched. This will give the framing square the angle you need to make the ridge cut. It is a complex framing style that can be or usually is a variation of the hip roof but a gable home may also make use of bonnet frame.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Nail the first boards on top of your wall where you plan to build your roof. Browse 46 bonnet roof on houzz whether you want inspiration for planning bonnet roof or are building designer bonnet roof from scratch houzz has 46 pictures from the best designers decorators and architects in the country including shoshi designs and designward inc. Roof framing is one of the most challenging task.