Roof Framing 101 Pdf

Vertical rise over horizontal run.

Roof framing 101 pdf.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Shed gable hip gambrel and mansard. Studs plates headers rafters girders flooring and joists are all terms used to identify different components in framing. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is.

Choose a content vocabulary and academic vocabulary word that is new to you. In the u s it is defined by the rise in inches to a 12 run. Ive had a construction master pro as an app for some time but this dvd unlocks its full power. Definite value for the money.

Floor framing on top wall framing in middle roof framing on bottom t was a coincidence that another con tractor and i began framing houses next door to one another on the same day. Line length is the hyptenuse of the triangle whose. Roofs are basically five types. But by the time his house was framed mine was shingled wired and plumbed.

This is known as prescriptive. Framing is a construction system. All of the necessary cuts for a particular rafter can be laid out with these two squares. Professional tradesmen use rafter and framing squares to save time on roof construction projects.

Roof framing is the last major framing activity in the construction of a house. Construction how to roofing march 27 2008 sonia eht explores some basic roof framing techniques from layout to installation. The code also allows you to apply a slope reduc tion factor to account for snow blowing or. Introduction to prescriptive roof framing 3 prescriptive roof construction the international residential code irc and the international building code ibc set out specific guidelines within which conventional light frame wood structures may be built without the need for engineering analysis of each component.

This reference guide will provide a basic knowledge of. Framing is the process of connecting building materials together to create a structure. It was no coincidence that the other contractor ran out of money and had to. Figure 2 2 roof framing terms.

1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. I wish i was taught this at college years ago. When you fi nd it in the text write down the defi nition. Chapter 17 reading guide 465.

I just received and watched roof framing 101 volume 1 0. 4 12 through 9 12 are the most common pitches. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.