Framing A Bonnet Roof

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.

Framing a bonnet roof.

Nail 2 boards onto your walls as top plates. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. The lower slope hangs over the side of the house. When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.

Line length is the hyptenuse of the triangle whose. And the line length measurement from the roof peak to the building wall is the hypotenuse. Discover the 36 different types of roofs for a house. It s like a reverse mansard.

The rise or height of the roof at its peak is the altitude of the triangle. Nail the first boards on top of your wall where you plan to build your roof. This will give the framing square the angle you need to make the ridge cut. As pictured above it is likely to extend much further than a mansard besides having the lower pitched slope on the bottom.

Bonnet roofs are not commonly used roofs in modern houses. Bonnet roofs also known as kicked eaves are double sloped with the lower slope set at less of an angle than the upper slope. 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. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.

Figure 2 2 roof framing terms. Includes a frame bonnet gable hip mansard butterfly valley combination shed and more. The run or half the building span is the base of the triangle. Look through bonnet roof photos in different colors and styles and when you find some bonnet roof that inspires you save it.

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. This overhang is an excellent cover for an open porch. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs.