A B C OF THE STEEL SQUARE 63 



The following examples and explanations on 

 roof framing are simple and easily understood, 

 and cannot fail of being valuable to the young 

 mechanic who aspires to become an expert roof 

 framcr. These examples will serve as starters, 

 and in the following volume, which will be issued 

 shortly, more advanced examples will be pre- 

 sented.. 



ROOF FRAMINjGK 



Roof framing can be done about as many 

 different ways as there are mechanics. But 

 undoubtedly the easiest, most rapid and most 

 practical is framing with the "square." The 

 following cuts w r ill illustrate several applications 

 of the square as applied to roof framing, and all 

 who are interested in the subject can, by giving 

 it a careful study, be able to frame any ordinary 

 roof the mechanic comes in contact with. 



Fig 33 is an illustration that could well be 

 given much thought and study. It not only 

 gives the most common pitches, but also gives the 

 degrees. 



Most carpenters know that half-pitch is 45 

 degrees, yet few know third pitch is nearly 34-, 

 and quarter-pitch about 27 degrees. 



A building 4 feet wide (as the rafters come 



