Letters To the Editor: Fiberglass Shingles Not for North As a manufacturer of both organic and fiberglass shingles, it is our opinion that the introduction of fiberglass shingle came about, not due to the lack of availability and quality of the organic felt that is used to make traditional asphalt shingles, but rather due to the fact that escalating oil prices in the late 1970s and early 1980s necessitated the use of fiberglass as an alternative to organic felt in roofing. Fiberglass shingles contain much less asphalt than organic shingles, thus are substantially cheaper to produce. I would like to respond to Henry Spies' request for information on problems with fiberglass shingles [NEB 10/87]. In addition, when fiberglass was first introduced, many of the
