SmartLVL 15 Design Guide - Tilling Timber

CONTINUOUS SPAN RIDGE/INTERMEDIATE ROOF BEAMAS 4055 CLASSIFICATION N1, N2 AND N3 [Cont’d]Roof load width (mm) 1500 3000 4500 6000 7500Member sizeDxB (mm)Roof mass(kg/m 2 )span O/H span O/H span O/H span O/H span O/HMaximum Ridge or Intermediate roof beam - Continuous span (mm)150x58 40 4900 1350 3800 1350 3300 1300 2900 1150 2700 105090 3800 1350 3000 1250 2600 1150 2300 1050 2100 1000170x58 40 5500 1550 4300 1550 3700 1450 3300 1300 3000 115090 4300 1550 3400 1400 3000 1250 2700 1150 24005 1100200x58 40 6500 1800 5100 1800 4400 1650 3900 1500 3600 135090 5100 1800 4000 1600 3500 1400 3100 5 1300 2800 20 1250 20240x58 40 7700 2150 6100 2150 5300 1900 4700 1750 4300 155090 6100 2150 4800 1850 4200 5 1650 3800 25 1500 25 3300 40 1400 40300x58 40 9500 2650 7600 2550 6500 2250 5900 5 2050 5400 25 190090 7600 2600 6000 2200 5200 25 1950 25 4600 50 1800 50 4100 75 1700 75360x58 40 11300 3200 9100 2900 7800 2600 7000 20 2400 6400 45 225090 9000 3000 7200 15 2500 6200 50 2250 50 5300 80 2100 80 4700 100 1950 100400x58 40 12000 3550 10000 3150 8700 10 2850 7800 35 2600 7000 60 2400 6090 10000 3250 8000 30 2750 30 6800 65 2450 65 5800 95 2250 95 5100 115 2150 115300x75 40 10200 2900 8200 2700 7100 2400 6400 2200 5800 5 205090 8200 2800 6500 2350 5700 10 2100 5100 30 1950 30 4600 50 1800 50400x75 40 12000 3850 10800 3350 9400 3000 8400 15 2750 7700 35 260090 10800 3450 8700 10 2900 7500 45 2600 45 6600 70 2400 70 5800 90 2250 90525x75 40 12000 4850 12000 4150 12000 20 3700 11000 50 3450 9900 80 3200 8090 12000 4200 11300 45 3550 45 9600 85 3200 85 8200 110 3000 110 7300 135 2800 135NOTES:1. D = member depth, B = member breadth, NS = not suitable2. End bearing lengths = 35 mm at end supports and 70 mm at internal supports for continuous members. Subscript values indicate the minimum additionalbearing length where required to be greater than 35 mm at end supports and 70 mm at internal supports3. rafter spacing up to 1200 mm4. Not all sizes of SmartLVL 15 in this table are stocked in each state. (F17 sizes of 120, 140, 190 and 290 mm depths not currently stocked in WA). Pleasecheck with your supplier before orderingSmartLVL 15 Design Guide 46