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SmartLVL 15 Design Guide - Tilling Timber

SmartLVL 15 Design Guide - Tilling Timber

SmartLVL 15 Design Guide - Tilling Timber

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SINGLE/CONTINUOUS SPAN ROOF RAFTERAS 4055 CLASSIFICATION N1, N2 AND N3WITHOUT CEILING ATTACHEDPropped ridgeboardEXAMPLE:RafterRafterspanOverhangwind speed = N3sheet roof - 40 kg/m 2rafter/truss spacing = 600 mmrafter span = 5800 mm (single span)Enter span table at rafter spacing of 600 mm, and read downto a span equal to or greater than 5800 mmADOPT:<strong>SmartLVL</strong> <strong>15</strong> — 240x35RafterspacingMaximum Birdsmouth = 30% of rafter depthRafter spacing (mm) 450 600 900 1200 450 600 900 1200Membersize DxBRoofspan O/H span O/H span O/H span O/H span O/H span O/H span O/H span O/Hmass (kg/ Maximum allowable single span (mm) Maximum allowable continuous span (mm)90x35 10 2300 900 2200 850 2200 750 2200 650 2800 900 2800 850 2800 750 2800 65020 2300 900 2200 850 2200 750 2200 650 2800 900 2800 850 2800 750 2800 65040 2300 900 2200 850 2200 750 2000 700 2800 900 2800 850 2800 750 2700 70060 2300 900 2200 800 1900 700 1800 700 2800 900 2800 800 2600 700 2400 700120x35 10 3400 1200 3400 1<strong>15</strong>0 3300 950 3200 800 4300 1200 4300 1<strong>15</strong>0 4300 950 4300 80020 3500 1200 3400 1<strong>15</strong>0 3300 950 3200 850 4300 1200 4300 1<strong>15</strong>0 4300 950 4300 85040 3500 1200 3300 1<strong>15</strong>0 2900 1050 2700 900 4300 1200 4300 1<strong>15</strong>0 4000 1050 3700 90060 3200 1200 2900 1<strong>15</strong>0 2600 1050 2400 950 4300 1200 4000 1<strong>15</strong>0 3500 1050 3200 950130x35 10 3900 1300 3800 1250 3700 1000 3600 850 4900 1300 4900 1250 4900 1000 4900 85020 3900 1300 3800 1200 3700 1050 3600 900 4900 1300 4900 1200 4900 1050 4900 90040 3900 1300 3600 1250 3200 1100 2900 950 4900 1300 4900 1250 4300 1100 4000 95060 3500 1300 3200 1250 2800 1<strong>15</strong>0 2600 1050 4700 1300 4300 1250 3800 1<strong>15</strong>0 3500 1050140x35 10 4300 1400 4200 1300 4100 1050 4000 900 5400 1400 5400 1300 5400 1050 5400 90020 4300 1400 4200 1300 4100 1100 3900 950 5400 1400 5400 1300 5400 1100 5300 95040 4200 1400 3900 1300 3400 1<strong>15</strong>0 3100 1000 5400 1400 5300 1300 4700 1<strong>15</strong>0 4300 100060 3700 1400 3400 1300 3000 1200 2700 1100 5100 1400 4700 1300 4100 1200 3700 1100<strong>15</strong>0x35 10 4800 <strong>15</strong>00 4700 1400 4500 1100 4400 950 6000 <strong>15</strong>00 6000 1400 6000 1100 6000 95020 4800 <strong>15</strong>00 4700 1400 4500 1<strong>15</strong>0 4200 1000 6000 <strong>15</strong>00 6000 1400 6000 1<strong>15</strong>0 5600 100040 4500 <strong>15</strong>00 4200 1400 3700 1250 3400 1050 6000 <strong>15</strong>00 5600 1400 5000 1250 4600 105060 4000 <strong>15</strong>00 3700 1400 3200 1300 2900 1<strong>15</strong>0 5500 <strong>15</strong>00 5000 1400 4400 1300 4000 1<strong>15</strong>0170x35 10 5600 1700 5600 <strong>15</strong>50 5300 1250 5100 1050 7300 1700 7300 <strong>15</strong>50 7300 1250 6900 105020 5700 1700 5500 1600 5100 1250 4700 1100 7300 1700 7200 1600 6700 1250 6300 110040 5100 1700 4700 1600 4200 1400 3800 1<strong>15</strong>0 6700 1700 6300 1600 5600 1400 5200 1<strong>15</strong>060 4500 1700 4200 1600 3700 1450 3300 1250 6100 1700 5600 1600 5000 1450 4600 1250190x35 10 6600 1900 6500 1700 6200 1350 5700 1<strong>15</strong>0 8600 1900 8600 1700 8200 1350 7800 1<strong>15</strong>020 6500 1900 6200 1750 5600 1400 5200 1200 8200 1900 7800 1750 7200 1400 6800 120040 5700 1900 5200 1750 4600 <strong>15</strong>00 4200 1300 7200 1900 6800 1750 6200 <strong>15</strong>00 5800 130060 5000 1900 4600 1750 4100 1650 3700 1400 6600 1900 6200 1750 5600 1650 5100 1400200x35 10 7100 2000 6900 1750 6600 1400 6000 1200 9300 2000 9100 1750 8500 1400 8100 120020 6800 2000 6400 1800 5900 1450 5500 1250 8500 2000 8100 1800 7500 1450 7000 125040 5900 2000 5500 1850 4900 <strong>15</strong>50 4500 1350 7500 2000 7000 1850 6400 <strong>15</strong>50 6000 135060 5300 2000 4900 1850 4300 1700 3900 1450 6900 2000 6400 1850 5800 1700 5300 1450240x35 10 8400 2350 8100 2050 7600 1650 7200 1400 10600 2350 10200 2050 9600 1650 9100 140020 7600 2350 7300 2<strong>15</strong>0 6800 1700 6400 1450 9600 2350 9100 2<strong>15</strong>0 8500 1700 8000 145040 6800 2350 6400 2200 5800 1800 5300 <strong>15</strong>50 8500 2350 8000 2200 7400 1800 6900 <strong>15</strong>5060 6200 2350 5800 2200 5100 2000 4700 1700 7800 2350 7300 2200 6700 2000 6300 170090x42 10 2500 1000 2400 900 2400 800 2300 700 3100 1000 3100 900 3100 800 3100 70020 2500 1000 2400 900 2400 850 2300 750 3100 1000 3100 900 3100 850 3100 75040 2500 1000 2400 900 2300 850 2100 800 3100 1000 3100 900 3100 850 2900 80060 2500 1000 2300 900 2100 850 1900 800 3100 1000 3100 900 2800 850 2600 800120x42 10 3800 1300 3700 1200 3600 1050 3500 900 4700 1300 4700 1200 4700 1050 4700 90020 3800 1300 3700 1200 3600 1050 3500 900 4700 1300 4700 1200 4700 1050 4700 90040 3800 1300 3500 1200 3100 1100 2800 1000 4700 1300 4700 1200 4200 1100 3900 100060 3400 1300 3100 1200 2700 1100 2500 1050 4600 1300 4200 1200 3700 1100 3400 1050<strong>SmartLVL</strong> <strong>15</strong> <strong>Design</strong> <strong>Guide</strong> 37

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