Gambrel Roof Eave Detail

I recently built a small outbuilding with a 6 in 12 pitch roof that offers a perfect example for showing the process i use to build eaves and rakes.

Gambrel roof eave detail.

Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Start with the rafter tails the main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon.

However pre cut trusses for a gambrel roof often require that the homeowner build and create their own eaves as this style of roof has very little if any overhang. Due to cohesion surface tension and other forces water droplets tend to stick to one another and to the surfaces they are on albeit slightly. Gambrel roofs are symmetrical with two slopes on each side of the roof. Gambrel roof detail at upper transition of slope has cad.

Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. Eave and gable at the down wind end of the roof farthest away from. Eave rake edges 3d view has cad. A gambrel roof or barn style roof provides a great way to create extra space in the attic or at the top of the barn.

Eave rake flashing with gutter. If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. Drip edges have two key purposes.

Gambrel transition 23 outside corner 24 inside corner base guard 25. A drip edge is designed to take advantage of those forces and along with gravity direct water into the gutter. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Gambrel roof detail at lower transition of slope.

Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. Direct water away from fascia.