Gable Hip And Valley Roof

For any roof slope expressed as x in 12 rise in run the hip and valley factor is determined by finding the square root of rise run 2.

Gable hip and valley roof.

Broken hip and valley roof are formed on an l shaped building when the two sides are different. A jack rafter is a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both. Divide the rise by the run the run is 12. A proper flashing of valleys and end walls around the dormer if there is one is also an absolute must.

Gable and valley roof the gable and valley roof is a very popular roof design. Find the square root of the result. A hip and valley roof may be part of an irregular structure. However hip roofs come with lower insurance costs.

It s also known as a cross gable roof since the home has a cross footprint. Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. Thus there are hip jack rafters and valley jack rafters. However if the gable roof also contains a dormer hips and valleys it should either be shingled or roofed with metal shingles or standing seam to help prevent any future roof leaks.

Rafter is called for only when framing a hip roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect. A hip roof on a varied plan h denotes a hip v denotes a valley a hip roof is self bracing requiring less diagonal bracing than a gable roof. By comparison a gable roof is a type of roof design where two sides slope downward toward the walls and the other two sides include walls that extend from the bottom of. Published on feb 20 2014 this video shows the erection procedure for a broken hip and valley roof.

Hip roofs are thus much more resistant to wind damage than gable roofs. A hip roof or hipped roof is a type of roof design where all roof sides slope downward toward the walls where the walls of the house sit under the eaves on each side of the roof. Gable roof in a nutshell. The total rise of hip and valley rafters is.

Hip roofs are complex to construct and thus a more expensive option. The hip and valley factor varies according to the slope of the roof as shown in the table below. Hip roofs have no large flat or slab sided ends to catch wind and are inherently much more stable than gable roofs. This type of roof is also called broken back hip and valley roof because the main hips are intconeected by the rafter of gables on one side and the rafter of the valley on the other.