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.
Put it off and you could end up with a leaky roof-or worse, a collapsed roof. The cost of roof replacement depends on the materials you choose, the size and pitch of your roof, your geographic location and more. Very generally, the average job with mid-grade materials will cost about $5,000 to $10,000. Regular asphalt shingles: $140 to $320 per square, depending on type, quality and local labor rates. 2  The average roof requires 20 to 30 squares, which brings the total cost to $2,800 to $9,600.