. Canadian forest industries 1907. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. Fig. 5 and 6. "Drip" for Patent Roll Cap. Figs. 7 and 8. Method of Treating the Edges of the Zinc in Covering "Flats" or Platforms. mills, as it is only for temporary use, it is more generally resorted to than any other kind of roofing back in the woods. The better class of mills in the country, those which expect to stay somewhat permanently in one place, have, during the prosperous times of the past decade, been getting more attention in the way
. Canadian forest industries 1907. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. Fig. 5 and 6. "Drip" for Patent Roll Cap. Figs. 7 and 8. Method of Treating the Edges of the Zinc in Covering "Flats" or Platforms. mills, as it is only for temporary use, it is more generally resorted to than any other kind of roofing back in the woods. The better class of mills in the country, those which expect to stay somewhat permanently in one place, have, during the prosperous times of the past decade, been getting more attention in the way of better roofing. Sometimes it is iron, sometimes it is tar paper, or something on that order. For fire protection an iron roof is probably the best, but this is about the only point in which it has an advantage over composition roofing. There is a cheap iron roofing made with corrugated iron on sheathing strips, put 2 to 4 feet apart, which is an improvement over the old plank roofing, but really is not a satisfactory roof to put over machinery, nor over a lumber shed, for that matter. Its main redeeming qualities are its cheapness and the protection it offers against fire from the outside. After this is said in its favor, it is in order to say that it is difficult to keep such a roof from leaking. It does not leak .as badly as a plank roof, but it does spring leaks, and when a leak through an iron roof of this kind strikes lumber it makes a stain. Another objection to it is the heat. There is nothing can get much hotter than an iron roof under a summer sun, and when a man has to work up near the roof it is decidedly uncomfortable. The same applies to a certain extent in the use of iron roofing where it is laid on solid sheath- ing. This is a better roof, and likewise a more expensive one, than the which is the best. There are probably many of them that are not near- ly as good as the claims made for them, but some are undoubtedly beter than others. These are matters, however
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