GL17S Verandah Beams – Sheet/Tile C2

Size (mm)	Supporting Sheet Roofing + Ceiling – Roof Load Width (mm)
	Single Span Verandah Beams				Continuous Span Verandah Beams
	600	1200	1800	2400	600	1200	1800	2400
140×42	4.0	3.2	2.8	2.5	4.9	3.9	3.2	2.7
190×42	5.0	4.3	3.8	3.4	6.3	5.3	4.3	3.7
240×42	5.9	5.0	4.6	4.2	7.4	6.4	5.4	4.6
290×42	6.7	5.8	5.3	4.9	8.4	7.3	6.3	5.5
140×65	4.4	3.7	3.2	2.9	5.5	4.7	4.0	3.4
190×65	5.4	4.7	4.3	4.0	6.8	5.9	5.4	4.7
240×65	6.4	5.5	5.1	4.7	8.0	7.0	6.4	5.9
290×65	7.2	6.3	5.8	5.4	9.1	8.0	7.3	6.8
240×80	6.6	5.8	5.3	4.9	8.3	7.3	6.7	6.2
	Supporting Tiled Roof + Ceiling – Roof Load Width (mm)
	Single Span Verandah Beams				Continuous Span Verandah Beams
	600	1200	600	1200	600	1200	600	1200
140×42	3.2	2.5	2.2	2.0	4.2	3.4	3.0	2.6
190×42	4.2	3.4	3.0	2.7	5.3	4.5	4.0	3.5
240×42	5.0	4.2	3.8	3.4	6.3	5.3	4.8	4.4
290×42	5.7	4.9	4.4	4.1	7.2	6.1	5.5	5.0
140×65	3.6	2.9	2.5	23	4.7	3.9	3.4	3.1
190×65	4.6	3.9	3.4	3.1	5.8	5.0	4.5	4.2
240×65	5.5	4.7	4.2	3.9	6.9	5.9	5.3	5.0
290×65	6.3	5.4	4.9	4.5	7.9	6.8	6.1	5.7
240×80	5.7	4.9	4.4	4.1	7.2	6.2	5.6	5.2

Span values are in metres

Loading Data:

Dead Load of roof: Sheet roof + ceiling, maximum 40 kg/m2, Tiled roof + ceiling, maximum 90 kg/m2

(Covers standard residential roof materials, for roof pitch maximum 35deg)

Wind Load taken as C2 in accordance with AS 4055 Wind Loads for Housing
ETH LAM GL beams are manufactured straight, without any camber built into the beams.
Deck Joist design criteria in accordance with methods presented in AS1684.1-1999, and structural timber design in accordance with AS1720.1-2010.

Notes:

Minimum bearing lengths for support of verandah beams: 45mm on end supports, and 65mm internal supports.
The span value shown is the distance between centrelines of supports.
For continuous spans, the adjacent beam spans may be different, but look up the larger of the spans, and the shorter span must be more than 50% of the larger span. If this rule is not met, then consider the verandah beams are simply supported, and look up the larger span in the single span table.
Deflection criteria: for dead load, the lesser of Span/400, or 10mm, and for Roof Live Loads, Span/250.
For deck joists the lateral restraint is assumed to be achieved via the fixing of flooring direct to the top edge. No restraint of the bottom edge of the joist is assumed.
Where there are conflicts in design between loading codes (AS/NZS1170 series), timber code (AS1720.1-2010) and AS1684.1-1999, the loading codes and timber codes take preference.

The above span table values have been designed in accordance with the following codes:

AS1720.1-2010 Timber Design Code
AS1170.0, .1, .2-2002 Loading Codes for Limit State design, Live Loads, and Wind Loads respectively.
AS1684.1-1999 Design Criteria for Residential Timber Framing.

News & Media

Magna beams available up to 8m in length

Magna have responded to customer requests and have recently installed new equipment to make Magna Beams longer than 6 metres.