Being a âSettlementâ currency is not quite the same as being a âReserve Currencyâ like the dollar, but it a major step in that direction. It is, in fact, a very large step. Which currency large international trades are done in matters.
There are approximately 33.33 square feet in a bundle of standard composite shingles. A square is a 10-foot by 10-foot area and requires three bundles of shingles for coverage.
With composition shingles of lighter weight, three bundles will do a square (one hundred square feet). Heavier shingles often come packaged as four bundles per square. Some of the shingles come in as much as 7 bundles per square like the GAF-Elk Camelot they are more expensive but look good and have a lifetime warranty.