The design activity of the architect, from the macro-level (urban design, landscape architecture) to the micro-level (construction details and furniture). The practice of the architect, where architecture means offering or rendering professional services in connection with the design and construction of buildings, or built environments.
Generally speaking, the cost of replacing your roof can be anywhere from $2,000 for a small, single story house, to $12,000 for a larger house with complicated roof lines, dormers and the like.
Total Amount. If we add the maximum amounts per square together we get about $350 per square or 100 square feet. Since the typical roof is some 1,500 square feet multiply that means there about 15 squares in a single roof. Multiply 15 x $350 and you get about $5,250.oofs typically need to be replaced every 20 years. Sometimes a well built roof can last a bit longer but eventually you are going to have to repair or replace it, so it's important to know how much it will likely cost. One way to do it is to figure out how much replacing a roof costs per square foot.