Fiberboards 2743 



Table 23-1. — Insulation board plants in the United States, 1977 (U.S. Environmental 

 Protection Agency 1979, updated in 1983 by Suchsland and Woodson') 



Other 

 Annual capacity products 



Company Location ('/2-inch basis)' manufactured 



Million square feet 



Armstrong Cork Macon, Ga 400^ 



Boise Cascade International Falls, Minn. 210 Hardboard 



Celotex Marrero, La.^ 



L'Anse, Mich.^ 737 



Sunbury, Penn.-^ 



Flintkote Meridian, Miss. 200 



Georgia Pacific Jarratt, Va.^ 210 Hardboard (1978) 



Huebert Fiberboard Boonville, Mo. 50 



National Gypsum Mobile, Ala. 192 



Temple Industries Diboll, Tex. 220 Hardboard 



U.S. Gypsum Lisbon Falls, Me. 



Pilot Rock, Ore.^ 271 Hardboard 



(all facilities) 



Total 2,400 



'These are approximate capacities as they depend upon product mix. Figures quoted are for mills 

 operating 24 hours/day, 6% days/week, 50 weeks/year. 



^Understated due to heavy tile production. If operated as a sheathing mill, capacity would increase 

 20 percent. 



^No effluent. 



'^Utilizes bagasse. 



PI 

 II 



^: 



i 



1800 



1600 



1400 



1200 



1000 



800 



600 



400 



200 



I I I \ \ \ 



-HOUSING STARTS 



1972 1973 1974 

 YEAR 



Figure 23-3. — Production of insulation board, by classification, in the United States. 

 (Drawing after U.S. Environmental Protection Agency 1979.) Insulation board ship- 

 ments in 1981 were 2.575 billion square feet y2-inch basis. (Current Industrial reports, 

 U.S. Dept. of Commerce, Bureau of the Census, MA26A (81)-1.) 



