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• Minimal thermal insulation requirements
  
  
• "Determining a roof system's energy efficiency and cost," Professional Roofing, June 1998
  
  


• "Manual provides thermal analysis guidelines," Professional Roofing, November 1997
  
  


• "Direct-to-Deck Polystyrene Insulation (Special Report), November 1997
  
  


• "Codes now mandate minimum requirements for thermal insulation," Professional Roofing, May 1996
  
  


• Polyisocyanurate insulation
  
  
• "Comparing polyiso R-values," Professional Roofing, April 2003
  
  


• "Who's made the blowing-agent conversion?," Professional Roofing, December 2002
  
  


• "An end to a debate?," Professional Roofing, November 2002
  
  


• "ASTM polyiso standard updated," Professional Roofing, November 2001
  
  


• "Polyisocyanurate update," Professional Roofing, March 2001
  
  


• "Use of Cover Boards Over Polyisocyanurate Insulation," Bulletin 2000-3, March 2000
  
  


• "Continuing concern about polyiso," Professional Roofing, February 2000
  
  


• "Issues regarding polyiso insulation," Professional Roofing, August 1999
  
  


• Considerations pertaining to polyisocyanurate insulation, May 1999
  
  


• Polyisocyanurate insulation R-value
  
  
• "R-Value recommendation will apply until new standard is completed," Professional Roofing, May 1994
  
  


• In-service R-values (ISR) for polyisocyanurate and polyurethane roof insulation boards, NRCA and MRCA joint technical document, November 1987
  
  


• When insulation is wet
  
  
• "Determining when insulation is wet," Professional Roofing, February 1999
  
  


• "Moisture and built-up roofing," Second International Symposium on Roofing Technology Proceedings
  
  


• "New wetting curves for common roof insulations," 1991 International Symposium on Roofing Technology Proceedings