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.
Roofing Can Be Pricey. The costs of putting a new roof on your house can escalate quickly. According to BobVilla.com, replacing a roof with new clay tiles can cost $300 to $500 per square foot. Furthermore, slate tiles, with their need for skilled and experienced craftsmen, could cost up to $1,000 per square foot.Roofs with steep angles can be more difficult to repair.xpect to pay between $5,000 and $10,000. Roofing materials are often costly, especially when using clay tiles, slate or wood. You can save money by doing the job yourself and using asphalt shingles.