Performs several functions, the most notable being end-to-end packet delivery, reliability, and flow control. There are TWO protocols in the Transport Layer: TCP and UDP.
In another case, the roofing and pavement consulting firm Benchmark presented a cost range from retail roofing projects it has examined. Benchmark reported on a majority of retail roofing projects it has looked at, roof replacement costs generally range from $3.50 to $6.50 per square foot.However, the cost depends on whether a project was aiming for roof recovery or consisted of a complete tear-off and replacement job.his post builds on one of earlier posts about commercial roof maintenance costs. How much does a commercial roof replacement cost? One study reports on a roof with average dimensions of 10,000 square feet, a new commercial roof can cost over $42,500, or over $4.25 per square foot.
Straight Off the Bat: It needs to be stated that not all roofs are made the same and not all roofers charge the same prices. That being said, most roofing contractors (and many insurance companies) will price their roof replacement services within $3.50 to $5.00 per square foot or $350 to $500 per square of architectural shingles installed.