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.
The amount of shingles needed to cover a roof is typically measured in squares. A square of shingles covers 100 square feet. Pricing is quoted by the bundle or by the square, and there are typically 3 bundles per square for standard 3-tab asphalt shingles.(Heaver shingles may be divided into 4 or 5 bundles per square.).ith asphalt shingles for example, installation costs could range from $25 per square foot for a flat roof up to $50 per square foot for a high pitched roof.