There are two common methods for completing the flashing of a valley in a shingle roof system.
Valley roof framing details.
California valley roof remodeling room additions faster easier.
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.
An example of each is shown in figure 2 1.
For more photos and details on framing a roof valley click the view pdf button below.
Essentially there are three main ways to shingle a roof valley.
Closed valleys or open valleys.
Because most framing lumber is not perfectly straight i check each piece and mark the crown before i start cutting the lumber into rafters.
To understand what makes a valley either closed or open it is important to understand how a valley is constructed.
One of the details that varies between homes is the method of flashing the valley areas of the roof.
Keeping all of the crowns pointing up prevents waves from marring the finished roof.
Gable a gable roof has a ridge at the center and slopes in two directions.
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.
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.
These days cut ups or roofs with a lot of valleys dormers and other features are increasingly popular.
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.
When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.
The function of each component is.
There are various techniques you ll need to know for each type of installation which we ll go over in detail.
In many cases with purchased house plans the details of the roof construction including rafter design are included.
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.
Joists and collar ties.
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.
Common types of roofs and basic framing terms.
The rafters carry the applied loads to the exterior walls.
