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Give the Lumberbank team a call, they are happy to point you in the right direction.
Call the lumberbank teamGlulam is manufactured using Pinus Elliotti (slash pine) from sustainable sources.
Lumberbank’s Pine Glulam GL17c is strong enough to replace flitch beams or steel in most circumstances. Builders are able to cut these using standard tools
Glulam is treated to H1.2 meeting the strict New Zealand building codes.
Glue laminated beams (Glulam) are solid wood members manufactured by bonding multiple pieces with proven adhesives to form a larger structural member. Glulam is more uniform and offers improved structural performance over sawn timber.
Lumberbank distributes GL17c manufactured by Megabeam located in Caloundra, Queensland, Australia. This product is utilises slash pine (pinus elliotti) with high stiffness in its manufacture and with the standard radius camber (see camber details below).
Megabeam commenced trading in 2011 on the Sunshine Coast, Queensland, Australia as a Glulam manufacturing and supply business specialising in GL17c beams. Megabeams managing director, John Schwabe has been glue laminating since 1990 and consulting as an engineer since 1988. John developed much of the Glulam manufacturing standard AS/NZS 1328 and developed the current grades that exist in Australia’s Timber Design Standard AS1720.1.
The renowned natural strength of timber is enhanced by the glue laminating process, ensuring GL17c is comparatively lightweight and ideal for long span / high load applications. GL17c is ideal for lintels over large window and door openings, garage openings or roof beams where spans over large spaces are required.
We stock the Glulam in the following sizes
Thickness (mm) | Widths (mm) |
85 | 240, 260, 300, 360, 400, 460 |
These are available in lengths 4.8 – 9.6m please check what’s available and lead times with our team.
Lintels, Roof Beams, Floor Beams, Bearers
Botanical Name | Pinus Elliotti |
Standard Trade Names | Slash Pine |
Origin Of Product | Australia |
Density | 460 – 560 Kg/m3 @ 12% m.c. |
Durability | Class 4: Non-durable |
Treatment | H1.2 Boron |
Finish | Structural |
Property | Unit | Grade E13 Values | Grade E11 Values | |
Modulus of Elasticity | E | GPa | 16.7 | Modulus of Elasticity |
Modulus of Rigidity | G | MPa | 1110 | Modulus of Rigidity |
Bending | (f’b) | MPa | 42 | Bending |
Tension parallel to grain | (f’t) | MPa | 21 | Tension parallel to grain |
Compression perpendicular to grain | (f’p) | MPa | 15 | Compression perpendicular to grain |
Compression parallel to grain | (f’c) | MPa | 35 | Compression parallel to grain |
Shear in Beam | (f’s) | MPa | 3.7 | Shear in Beam |
A taper cut of chamfer must not exceed 0.15 of the beam span without nail plate reinforcement. The minimum depth remaining for the Glulam at the support must not be less than half the original depth of the beam.
Timber glue-laminated (glulam) beams with a “C” suffix designates a vertical camber radius of 600m. An “S” suffix designates a straight beam profile.
Alignment tolerance of both straight and cambered beams shall be no more than 1mm per metre of beam length. Cambered beams are generally supplied with a marking stamped on the top edge of the beam. Unless specifically requested (such as for large cantilevers), cambered beams should not be installed with the camber arch facing downwards.
Beam Length (m) | 4.8 | 5.4 | 6 | 7.2 | 8.4 | 9.6 |
Camber (mm) | 4.8 | 6.1 | 7.5 | 10.8 | 14.7 | 19.2 |
Glulam 17c is H1.2 treated in accordance with NZS 3604 (A5).
This product is not suited to exterior unprotected situations where exposed to weather but may be used in any protected situation suited to H1.2 Boron treated sawn Radiata or Douglas Fir under NZS3602.
Give the Lumberbank team a call, they are happy to point you in the right direction.
Call the lumberbank team