Technical | Steep-slope

• Fiberglass Shingle Survey Results/Concerns
  
  
• Glass Fiber-Reinforced Asphalt Shingle Products Survey Results (52 Kb)
  
  
• "Concerns with fiberglass shingles," Professional Roofing July 1998 (167 Kb)
  
  
• "Shingle cracking: Cause/effect relationships must be overcome," Professional Roofing, (182 Kb)
  
  
• Ventilation of Steep-slope Roof Systems (1.4 Mb)
  
  
• Special Report: Supradur Manufacturing Corp. (462 Kb)