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.
The cost of replacing a roof is based on two factors, the price of the materials and the price of the labor involved. Materials vary dramatically in price and can cost between $0.72 per square foot, all the way to $20 per square foot.The cost for a roof replacement can vary dramatically from one material to the next. We've put together a list of materials along with some sample costs. Asphalt Shingles - $2.75 - $5.75 psf installed.ur cost calculator to the right begins with the question of removal or tear off and estimates this cost at $2 per square foot (if you answer no it does not affect the project pricing). We then ask for your desired roof material-select from the following;