Valley Roof Frame

If you begin with accurate as built measurements and use a construction calculator to do the math you can cut all of the rafters for most roofs on the ground in just one shot.

Valley roof frame.

Like the hip rafter it extends diago nally from the top plate to the ridge. In combination of roof styles a hip will connect to another part of the roof as part of the frame. And the line length measurement from the roof peak to the building wall is the hypotenuse. Roof ceiling construction requirements are listed in california residential code chapter 8.

This roof valley is a perfect example. These requirements cover the design and construction of roof ceiling systems including roof framing roof drainage roof sheathing ceiling finishes roof ventilation and attic access. The intersecting roof consists of a gable and valley or hip and valley. This type of roof is more complicated than the figure 2 1 most common types of pitched roofs.

The run or half the building span is the base of the triangle. It s also known as a cross gable roof since the home has a cross footprint. Whether you re tying in new gable dormers or adding a chimney cricket during roof framing giving the valley jacks a place to land is an easy task with these step by step instructions. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off.

Generally wherever 2 sloped planes connect other than at a peak point a valley is formed. The valley is formed where the two different sections of the roof meet generally at a 90 angle. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Equal pitched roof 6 12.

Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. Framing a complex roof is one of the trickiest parts of home building. A hip 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. Hip valley roof framing example 1 this hip valley roof framing article will cover the different steps in calculating the roof framing lengths and angles for.

A valley rafterforms a depression in the roof instead of a hip. Valleys the inverse of a ridge or lines that appear to go inward on a roof. A roof for insulation solar panels and bedrooms intersecting roofs and gable ends form an interesting roofline and allow for usable space on the second level. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet.