Installing A New Roof: The Systems Beneath Your Shingles
http://knoxkwam102.image-perth.org/the-benefits-of-asphalt-shingles
<p class="p__12">To install ridge shingles, begin either at the bottom of the ridge if it is really a hip or at the end opposite where the prevailing winds come from if it is in fact the leading ridge of the roofing.