Usage Note: The adjective moot is originally a legal term going back to the 1500s. It derives from the noun moot in its sense of a hypothetical case argued as an exercise by law students. Consequently, a moot question is one that is arguable or open to debate. Thus a moot point, however debatable, is one that has no practical value.
Understanding and Determining Prices. After reviewing average costs for hourly work, the costs per area, and materials, you can get a good grasp of how much you can expect to pay for average roofing. Perth homeowners should always factor in the quality of the materials that are being used and/or installed.n average the prices to replace a roof will range from approximately $80 to $100 per square metre. This average price includes the removal of existing materials and proper disposal. The work performed, materials used, and final clean up.
According to our roof installation cost estimator, the average price to install or replace a roof is $5,951. There are many factors that influence the final cost of a roof installation. Many of them vary over time and across locations, making them difficult to predict.For this reason, there is a wide range of possible prices. At the high end, people pay as much as $11,000; at the low end, they may pay as little as $3,000.nless you have a flat surface for a roof, your roof has a pitch. As you might expect, pithed roofs cost more than flat roofs. Not only do they cover more surface area (more materials), but they are also harder to install.