Naval Civil Engineering Laboratory. Technical Note N-1656, Experimental polyurethane foam roofing systems-II, by R. L. Alumbaugh , J. R. Keeton, and E. F. Humm, Port Hueneme, CA (Jan. 1983).
2.
2.. Technical Note N-1450: Experimental polyurethane foam roofing systems, by J. R. Keeton, P.E., R. L. Alumbaugh, Ph.D., P.E., and E. F. Humm, P.E., Port Hueneme, CA (Aug. 1976).
3.
3.. Technical Note N-1496, Investigation of spray-applied polyurethane foam roofing systems-I, by R. L. Alumbaugh, Ph.D. and J. R. Keeton, P.E., Port Hueneme, CA (Jul 1977).
4.
4.. Technical Note N-1643, The thermal conductivity of weathered polyurethane foam roofing, by D. A. Zarate, and R. L. Alumbaugh, Ph.D., P.E., Port Hueneme, CA (Sep. 1982).
5.
5.. Contract Report CR-79.004, Fire tests of polyurethane foam roof deck construction on steel decks. Underwriters Laboratories, Northbrook, IL (Dec 1978).
6.
6.. Technical Note 1683, Underwriters Laboratories fire tests of sprayed polyurethane foam applied directly to metal roof decks, by R. L. Alumbaugh and S. R. Conklin, Port Hueneme, CA (in press).
7.
7.. Technical Note 1691, Preliminary guidelines for maintenance of polyurethane foam (PUF) roofing systems, by R. L. Alumbaugh , S. R. Conklin, and D. A. Zarate, Port Hueneme, CA (in press).
8.
8.. Purchase Order Report PO.79MR461, Principles of urethane foam roof application , by K. H. Coultrap, Coultrop Consulting Services, Inc., Tempe, AZ (June 1980).