Cedar shakes and shingles have a naturally high insulative value which equates to less energy consumption and lower heating bills. Tests prove wood roofs can keep your attic 28 degrees Fahrenheit cooler in severe summer heat. That equates to savings of over 20% on your cooling system. A comparative study and tests by the University of Texas at Arlington show that red cedar shingle roofing acts as a solar heat shield reflecting the sun's hot rays throughout summer and keeping warmth through the winter months.

ROOF STRUCTURE
ATTIC VENTILATION
AVERAGE ATTIC TEMPERATURE
Red Cedar shingles on ½ inch plywood
Without

With

103° F  
  101° F Avg
99° F  
Asphalt shingles on ½ inch plywood

Without

With

132° F  
  128.5° F Avg
125° F  
  Test conditions: Room temperature 72° F.
  Incident heat flux of 340 BTU/hr- Ft. 2