NeXTimber engineering product catalogue

Search GL13 glulam product data, section properties, span tables and installation guides, and take any section straight into a design check.

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Mass timber building solutions in certified plantation radiata pine.

GL13 Glue Laminated Timber

Engineered glue-laminated timber for high-performing beams, columns and portal frames. The grain runs in one direction.

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Jump to the table for the member or panel you are designing.

GLTLintelsSingle & upper-storey lintelsCheck spansGLTRidge BeamsRoof ridge membersCheck spansGLTVerandah BeamsVerandah & outdoor beamsCheck spansGLTRoof BeamsGeneral roof beamsCheck spans

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Our webinar on specifying NeXTimber glulam and CLT, available on-demand.

On demand · 1 July 2026

Specifying Glulam and CLT for Australian and New Zealand Projects

How glulam and CLT are manufactured in Australia, the NCC/NZBC compliance pathways, and a worked GL13 example in Calcs.com, so your spec survives to the build stage.

Ben Cox, NeXTimber · Ati Aziz, Calcs.com
Watch recording