Online Catalog Link - Best Materials
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TECHNICAL REFERENCE APPENDIXL = LENGTH OF GUTTER – METERSL = LENGTH OF GUTTER – FEET(SERVED BY A DOWNSPOUT)Page A88/09PROPER GUTTER AND DOWNSPOUT SIZINGCHART 1-1WIDTH OF RECTANGULAR GUTTERS FOR GIVEN ROOF AREASAND RAINFALL INTENSITIES5000040000117,98394,386W = 11" (279 mm)WIDTH OF GUTTER 7" (178 mm)3000070,78910" (254 mm)9" (229 mm)8" (203 mm)2000047,1931500035,3956" (152 mm)5" (127 mm)1000023,5964" (102 mm)720016,9893" (76 mm)5000400011,7989,4392" (51 mm)30007,079200015004,7193,539IA = 1000L = 10002,3593.0154.6M = D/W206.1309.14012.2506015.218.30.500.600.700.800.901.001.251.501.752.002.252.50M = DEPTH/WIDTHIA = RAINFALL INTENSITY x AREA (AREA FROM TABLE 1-1 THAT RELATES TO L)(800) 523-8852 • Fax (215) 355-7738 • www.bergerbuildingproducts.com