Metal roof provides increased wind resistance when compared to other roofing materials. This is because metal roofing systems use interlocking panels. The disadvantages of metal roofs include the noise created from rain hitting the roof, and, in snowy areas, the tendency of snow to easily fall off the roof and onto pedestrians or property. Originally, metal roofs were made of corrugated galvanized steel: a wrought iron–steel sheet was coated with zinc and then roll-formed into corrugated sheets. Another approach is to blend zinc, aluminum, and silicon-coated steel. These products are sold under various trade names like "Zincalume" or "Galvalume". The surface may
I Don't Know What It Is I Don't Know What It Is "I Don't Know What It Is" is a song written and performed by Canadian-American singer-songwriter Rufus Wainwright. It was the first single from Wainwright's third studio album "Want One" and was released in a slim-line jewel case format on July 26, 2004. In addition to the UK and Japanese versions of "Want One", the song also appears on the bonus DVD that accompanies "Want Two" ("Rufus Wainwright: Live at the Fillmore"), "All I Want" (DVD), and "Want", a repackaged UK double album that contains "Want One" and "Want Two". In "All I Want", producer