Valley Roof Framing Details

These days cut ups or roofs with a lot of valleys dormers and other features are increasingly popular.

Valley roof framing details.

Bct 123 roof framing 2 blind valley roof. Gable a gable roof has a ridge at the center and slopes in two directions. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. California valley roof remodeling room additions faster easier.

Because most framing lumber is not perfectly straight i check each piece and mark the crown before i start cutting the lumber into rafters. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. May be for framers that can t cut valleys. The function of each component is.

Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. There are various techniques you ll need to know for each type of installation which we ll go over in detail. Essentially there are three main ways to shingle a roof valley. In many cases with purchased house plans the details of the roof construction including rafter design are included.

Common types of roofs and basic framing terms. Not shown are the hip and valley rafters needed to tie the roof together where the rafters are framed at an angle to each other. The rafters carry the applied loads to the exterior walls. Another common design in the northeast is the saltbox which is a gable roof with one longer side.

Trussed valley set detail no sheathing continuous 2x4 sp no 2 attached to the roof 146 basic 160 ultimate mph wind speed. For more photos and details on framing a roof valley click the view pdf button below. Details for conventional wood frame construction the first approach to achieving a strong durable struc ture involving economical use of materials is to follow a. It is the form most commonly used by.

Woven closed cut and open. Fill in commons no tails sheath side install ridge snap valley intersect install 1 x 6 see detail drawing cut install jacks install sheathing. In a rafter roof all of these components are required to provide a stable roof. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.

An example of each is shown in figure 2 1. Keeping all of the crowns pointing up prevents waves from marring the finished roof. One of the details that varies between homes is the method of flashing the valley areas of the roof.