R-31 | Article about R-31 by The Free Dictionary
chlorofluoromethane (redirected from R-31)
A compound consisting of chlorine, fluorine, and carbon, has the potential to destroy ozone in the stratosphere. Also known as fluorochlorocarbon (FCC). Abbreviated CFC.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The exterior envelope modeling optimized the wall, roof, floor and glazing performances (R-31
walls, R-50 roof, R-7 triple-glazed/argon-filled windows) to significantly reduce heating demand.
"The newly designed exterior wall improved the performance of the facade from an R-4.6 to an R-31
.9, which will save the college $225,366 per year," explains Peter Schlossman, senior associate principal for Loebl Schlossman & Hackl.
The minimum R-factor in most climate zones should be R-19 walls and R-31
The existing envelope was supplemented with a new high-efficiency R-31
wall system and a new R-30 roof.