LVL13 Rafters Span Tables

Loading Data - Light Roof with No Snow Loads

Roof Structure: Steel Sheet Roofing .50mm, Timber Purlins, lightweight insulation (20kg/m2)
Ceiling: Ceiling Battens, 13mm Plasterboard (20kg/m2)
Wind Zone and Pitch: All Wind Zones at up to 35° roof pitch
Snow Zone: N0, N1, N2, N3 – No Snow Loads Applied to an altitude of 100m

Table 1: LVL13 Rafters – Single Span
Size Rafter Spacing
450 600 900 1200
Maximum Span (mm)1
150×45 4000 3700 3300 3000
170×45 4500 4200 3700 3400
200×45 5200 4900 4400 4000
240×45 5900 5600 5100 4800
300×45 6900 6500 6000 5600
360×45 7800 7400 6800 6400
400×45 8300 7900 7400 6900
150×63 4900 4500 4000 3600
200×63 5900 5600 5200 4800
240×63 6700 6400 5900 5600
300×63 7800 7400 6900 6500
360×63 8800 8400 7800 7400
400×63 9400 9000 8400 8000

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.

Table 2: LVL13 Rafters – Continuous Span2
Size Rafter Spacing 
450 600 900 1200
Maximum Span (mm)1
150×45 5300 5000 4500 4100
170×45 5800 5500 5000 4600
200×45 6500 6200 5700 5300
240×45 7400 7000 6400 6100
300×45 8600 8200 7600 7100
360×45 9800 9300 8600 8100
400×45 10500 10000 9300 8700
150×63 6100 5800 5300 4900
200×63 7500 7100 6500 6100
240×63 8500 8000 7400 7000
300×63 9800 9400 8700 8200
360×63 11100 10600 9900 9300
400×63 11900 11400 10600 10100

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.
2. Continuous Span can be used when the shortest span is at least 60% of the longest span.

Loading Data - Heavy Roof with No Snow Loads

Roof Structure: Tiles, Timber Battens, lightweight insulation (70kg/m2)
Ceiling: Ceiling Battens, 13mm Plasterboard (20kg/m2)
Wind Zone and Pitch: All Wind Zones at up to 35° roof pitch
Snow Zone: N1, N2, N3 – No Snow Loads Applied to an altitude of 100m

Table 3: LVL13 Rafters – Single Span
Size Rafter Spacing
450 600 900 1200
Maximum Span (mm)1
150×45 3200 2900 2600 2300
170×45 3600 3300 2900 2600
200×45 4200 3900 3400 3100
240×45 5000 4600 4100 3700
300×45 5900 5500 5000 4600
360×45 6700 6300 5700 5400
400×45 7200 6800 6200 5800
150×63 3900 3600 3100 2900
200×63 5100 4700 4200 3800
240×63 5800 5400 5000 4600
300×63 6700 6400 5800 5500
360×63 7700 7200 6700 6200
400×63 8200 7800 7200 6700

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.

Table 4: LVL13 Rafters – Continuous Span2
Size Rafter Spacing
450 600 900 1200
Maximum Span (mm)1
150×45 4300 4000 3500 3200
170×45 4900 4500 3900 3600
200×45 5500 5200 4600 4200
240×45 6300 5900 5400 5000
300×45 7400 6900 6300 5900
360×45 8400 7900 7200 6800
400×45 9000 8500 7800 7300
150×63 5200 4800 4300 3900
200×63 6400 6000 5500 5100
240×63 7300 6800 6200 5800
300×63 8500 8000 7300 6900
360×63 9700 9100 8400 7900
400×63 10400 9800 9000 8500

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.
2. Continuous Span can be used when the shortest span is at least 60% of the longest span.

Loading Data - Light Roof with Snow Loads

Roof Structure: Steel Sheet Roofing .50mm, Timber Purlins, lightweight insulation (20kg/m2)
Ceiling: Ceiling Battens, 13mm Plasterboard (20kg/m2)
Wind Zone and Pitch: All Wind Zones at up to 35° roof pitch
Snow Zone: N4, N5 – Snow Loads Applied to an altitude of 100m or 0.9kPa sg

Table 5: LVL13 Rafters – Single Span
Size Rafter Spacing
450 600 900 1200
 Maximum Span (mm)1 
150×45 3900 3600 3100 2900
170×45 4400 4000 3600 3300
200×45 5100 4700 4200 3800
240×45 5900 5600 5000 4600
300×45 6900 6500 6000 5600
360×45 7800 7400 6800 6400
400×45 8300 7900 7400 6900
150×63 4600 4300 3700 3400
200×63 5900 5600 5000 4500
240×63 6700 6400 5900 5400
300×63 7800 7400 6900 6500
360×63 8800 8400 7800 7400
400×63 9400 9000 8400 8000

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.

Table 6: LVL13 Rafters – Continuous Span2
Size Rafter Spacing
450 600 900 1200
Maximum Span (mm)1
150×45 5300 4800 4300 3900
170×45 5800 5500 4800 4400
200×45 6500 6200 5700 5200
240×45 7400 7000 6400 6100
300×45 8600 8200 7600 7100
360×45 9800 9300 8600 8100
400×45 10500 10000 9300 8100
150×63 6100 5800 5100 4600
200×63 7500 7100 6500 6100
240×63 8500 8000 7400 7000
300×63 9800 9400 8700 8200
360×63 11100 10600 9900 9300
400×63 11900 11400 10600 10100

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.
2. Continuous Span can be used when the shortest span is at least 60% of the longest span.

Loading Data - Heavy Roof with Snow Loads

Roof Structure: Tiles, Timber Battens, lightweight insulation (70kg/m2)
Ceiling: Ceiling Battens, 13mm Plasterboard (20kg/m2)
Wind Zone and Pitch: All Wind Zones at up to 35° roof pitch
Snow Zone: N4, N5 – Snow Loads Applied to an altitude of 100m or 0.9kPa sg

 Table 7: LVL13 Rafters – Single Span
Size Rafter Spacing
450 600 900 1200
Maximum Span (mm)1
150×45 3100 2800 2500 2300
170×45 3500 3200 2800 2600
200×45 4100 3800 3300 3000
240×45 4900 4500 4000 3600
300×45 5900 5500 5000 4500
360×45 6700 6300 5700 5400
400×45 7200 6800 6200 5800
150×63 3800 3500 3100 2800
200×63 5000 4600 4100 3700
240×63 5800 5400 4900 4400
300×63 6700 6400 5800 5500
360×63 7700 7200 6700 6200
400×63 8200 7800 7200 6700

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.

 Table 8: LVL13 Rafters – Continuous Span2
Size Rafter Spacing
450 600 900 1200
Maximum Span (mm)1
150×45 4200 3900 3400 3100
170×45 4800 4400 3900 3500
200×45 5500 5100 4500 4100
240×45 6300 5900 5400 5000
300×45 7400 6900 6300 5900
360×45 8400 7900 7200 6800
400×45 9000 8500 7800 7300
150×63 5200 4700 4200 3800
200×63 6400 6000 5500 5000
240×63 7300 6800 6200 5800
300×63 8500 8000 7300 6900
360×63 9700 9100 8400 7900
400×63 10400 9800 9000 8500

1. When the maximum span is used the dynamic deflection may be more than desired. Please take this into consideration when specifying.
2. Continuous Span can be used when the shortest span is at least 60% of the longest span.

Download PDF