Explain why low-slope roof components (membrane, cover board, insulation, adhesives, and fasteners) must be obtained from the same manufacturer.
What will be an ideal response?
A low-slope roof must meet certain performance characteristics such as fire resistance, wind uplift resistance, hail-impact resistance, and resistance to foot traffic. These characteristics are a function of the entire assembly. Therefore, all materials must be from the same manufacturer, which is further mandated where the owner requires a warranty for the roof.
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Which system would be best modeled by an ideal solution? Explain your answer for full credit.
(i) ethane + n-decane (ii) water + hydrogen fluoride (iii) benzene + toluene
How can you identify a ferrous metal?
What will be an ideal response?
What gains has the African-American community attained since the 1960s? What are the greatest challenges still facing African Americans and U.S. society regarding race?
What will be an ideal response?
Cortés and 400 soldiers left Cuba in the winter of 1519 in search of what?
a. the Mexica Empire b. the Pacific Ocean c. the Indian Ocean d. the Inca Empire