Labels:bulletin board | calculator | monitor | plant | reckoner | sky OCR: Span Ratings DEAD LOAD 10# DEAD LOAD 15# COMPARATIVE SPAN CHART (Asphalt Shingles) (Concrete Roof Tile) IRC R802 5.1 MLT Span Chart Dead Loads 10# vs 156 2x6 28 26 28 Maximum Rafter Spans RAFTER SPACING (feet- (feet- (feet- (feet (inches) SPECIE AND GRADE inches inches inches inches) Spruce -pine-fir (SPF) #2 14-4 18-2 12-6 15-10 Spruce-pine-fir SPF#3 10-10 Note The purpose of this chart is to provide quick reference guide for the possible rafter span adjustments necessary for concrete roof tile Note SPF at 16 inch rafter spacing are common materials and dimensions used in the Atlanta market Consult the complete IRC and MLT span charts for alternate materials and spacing The above rafter size spacing and species of wood are the most common elements in Atlanta construction. Maximun quide ne ...
