SmartLVL 15 Design Guide - Tilling Timber

CONTINUOUS SPAN RIDGE/INTERMEDIATE ROOF BEAMAS 4055 CLASSIFICATION C1, C2 AND C3 [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/Intermediate roof beam - Continuous span (mm)150x58 40 3600 1350 2600 1050 2100 850 1900 750 1700 65090 2800 1350 2200 1100 1900 900 1700 750 1600 700170x58 40 4100 1550 3000 1150 2400 950 2100 850 1900 75090 3200 1550 2500 1200 2200 1000 1900 850 1800 750200x58 40 4800 1800 3400 1350 2800 1100 2400 950 2200 5 85090 3700 1800 2900 1400 2500 1150 2300 5 1000 2100 10 900240x58 40 5700 2150 4000 1600 3300 1300 2900 5 1150 2600 10 100090 4500 2150 3500 1650 3100 5 1350 2800 10 1150 2500 20 1050300x58 40 7000 2650 4900 1950 4000 5 1600 3500 15 1400 3100 20 125090 5600 2600 4400 2000 3800 10 1650 3500 20 1450 3200 30 1300 30360x58 40 8300 3200 5700 5 2250 4700 15 1850 4100 20 1600 3700 30 145090 6700 3000 5300 10 2350 4600 20 1900 4100 30 1650 30 3800 40 1500 40400x58 40 9200 3550 6300 10 2450 5100 15 2000 4400 25 1750 4000 35 155090 7400 3250 5900 10 2550 5100 25 2100 4600 40 1800 40 4200 50 1600 50450x58 40 10300 4000 7000 15 2700 5600 20 2200 4900 30 1950 4400 40 175090 8300 3550 6600 20 2800 5800 35 2300 35 5100 45 2000 45 4600 55 1800 55300x75 40 7500 2900 5600 2200 4600 1800 4000 10 1600 3600 15 140090 6000 2800 4800 2300 4200 5 1850 3800 15 1600 3500 20 1450400x75 40 9900 3850 7300 5 2800 5800 10 2300 5100 20 2000 4500 25 180090 8000 3450 6400 5 2900 5600 15 2350 5000 25 2050 4600 35 1850 35525x75 40 12000 4850 9300 15 3600 7300 25 2850 6300 30 2500 5700 40 225090 10300 4200 8300 15 3600 7300 35 2950 35 6600 45 2550 45 6000 60 2300 60NOTES:1. D = member depth, B = member breadth, NS = not suitable.2. 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 supports.3. 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). PleaseSmartLVL 15 Design Guide 50