Choosing best way to reroof church
Q. Our church is in need of a new flat roof. Which method do you suggest we follow: (1) Solid coat of asphalt primer for bond, followed by perlite insulation, three layers of fiber-glass membranes with hot asphalt in between, and then covered with slag; or (2) an aluminum roof coating, plus three layers of 65-pound paper with cold liquid asphalt on each layer. The No. 2 method costs about one- third higher than No. 1. May we have your ideas? Mrs. John Merkens Hamburg, N.Y.Skip to next paragraph
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A. Our roofing consultant recommends the first method. On flat roofs, where water "ponding" occurs, aluminum coating has a tendency to soften and flake off, he says.
Architects, builders, and roofing contractors frequently seek roofing specifications from local representatives of roofing manufacturers, such as Johns-Manville and Pabco, among others.
For professionally prepared roofing specifications which are tailored to your specific church roof, get in touch with such a local representative who will first inspect the existing roof and then prepare written specifications which m ay be used for competitive bidding.