366 



FOREST PRODUCTS 



Some of the southern white cedar shingles are packed 50 to the bundle, 

 this requiring 20 bundles to make a thousand. In this case each sepa- 

 rate width is bundled separately. A carload of these shingles will con- 

 sist of between 60,000 and 125,000, depending on the sizes. The popular 

 sizes are the 18- and 2O-in. shingles, whereas the i6-in. shingle is the 

 popular size with western red cedar. 



In the Northwest shingles are usually kiln dried at temperatures of 

 from 150 to 200 F., for from five to twelve days to reduce freight charges 



FIG. 96. Shingle packer or buncher. 



as much as possible. Many manufacturers have been somewhat over- 

 zealous in reducing the weight of their product by extreme artificial 

 drying and have injured the durability of the shingles. This has been 

 rapidly overcome, however, since the serious depression in the price 

 of shingles during the year 1915. 



Air seasoning has given much better results from the standpoint of 

 durability, but it is so expensive as to be almost prohibitive in the case 

 of western red cedar. 



