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Roof and wall framing detail.
The focus of this project was on connections used with conventional light frame wood roof construction.
13 30 box gable 13 endlap rain carrying table 14 eaves 15 16 ridges 16 18 gables 18 19 flying gable 20 endwall 21 sidewall valley 22 gambrel transition 23 outside corner 24.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
The details are adapted from some of apa s most frequently requested publications and can be searched for by title or browsed for within several defined product and construction system categories such as panel wall construction and structural insulated panels in addition to advanced framing.
Type floors foundation roofs walls.
Related publications advanced framing construction guide apa system report sr 103.
In a rafter roof all of these components are required to provide a stable roof.
The rise or height of the roof at its peak is the altitude of the triangle.
Rafters act more like the top chord of a roof truss than as a roof joist.
The function of each component is.
A literature review was conducted and supplemented with new research on the performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections.
Panel wall construction special systems structural insulated panels wall bracing.
Pan and cover tile roof ridge detail with underlayment felt and ridge closure.
However before concentrating on roof framing a brief discussion of diaphragms and shear walls is presented because they are two of the key elements in the framing of load bearing wall systems in most residential and light commercial construction.
The run or half the building span is the base of the triangle.
For alternate 24 inch spacing of floor wall and roof fram ing where floor and roof trusses are used and accommodates 24 inch spacing of studs where wind loads.
Building framing begins with the roof framing structure.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
End wall framing 36 interior walls 38 lath nailers 39 chapter 7 ceiling and roof framing 40 ceiling joists 40 flush ceiling framing 42 post and beam framing 42 roof slopes 44 flat roofs 45 pitched roofs 45 valleys 48 dormers 48 overhangs 48 ridge beam roof details 49 lightweight wood roof trusses 49.
Post frame estimating roof types 8 post frame building details 9 post frameflashings trim 10 13 post frame trim details.
Some of these can support the roof and prevent ridge sagging and wall spreading.
This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.