Roof Framing 101 Pdf

Studs plates headers rafters girders flooring and joists are all terms used to identify different components in framing.

Roof framing 101 pdf.

1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Roof framing is the last major framing activity in the construction of a house. It was no coincidence that the other contractor ran out of money and had to. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.

Figure 2 2 roof framing terms. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. Ive had a construction master pro as an app for some time but this dvd unlocks its full power. Shed gable hip gambrel and mansard.

Framing errors 10 91 installing plywood sheathing toe nails are stronger when adding up the weight of snow of a sloping roof use the horizontal run of the roof since the same amount of snow would accumulate on a perfectly flat roof. Framing is the process of connecting building materials together to create a structure. 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. Choose a content vocabulary and academic vocabulary word that is new to you.

I just received and watched roof framing 101 volume 1 0. 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. 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. But by the time his house was framed mine was shingled wired and plumbed.

All of the necessary cuts for a particular rafter can be laid out with these two squares. 3 inch rise per 12 run is a 3 12 pitch roof. Line length is the hyptenuse of the triangle whose. This is known as prescriptive.

This reference guide will provide a basic knowledge of. Roofs are basically five types. Vertical rise over horizontal run. 4 12 through 9 12 are the most common pitches.

Construction how to roofing march 27 2008 sonia eht explores some basic roof framing techniques from layout to installation. Professional tradesmen use rafter and framing squares to save time on roof construction projects. The code also allows you to apply a slope reduc tion factor to account for snow blowing or. Shed or lean to roof gambrel roof mansard roof.

Framing is a construction system. Chapter 17 reading guide 465. I wish i was taught this at college years ago.