Emission Factor

Glued laminated timber - MUF-glue (glued laminated timber production)

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Emission factor summary

The activity generating the emissions is glued laminated timber production, MUF-glue. The reference product is glued laminated timber, MUF-glue. The product glued laminated timber, MUF-glue is an engineered wood product. Glued laminated timber, also called glulam, is a type of structural engineered wood product comprising a number of layers of dimensional lumber bonded together with durable, moisture-resistant structural adhesives. In the case of glued laminated timber, MUF-glue, the adhesive used is Melamine Urea Formaldehyde adhesive (MUF-glue). Glulam optimizes the structural values of wood, which is a renewable resource. Because of their composition, large glulam members can be manufactured from a variety of smaller trees harvested from second-growth forests and plantations. Glulam provides the strength and versatility of large wood members without relying on the old growth-dependent solid-sawn timbers. As with other engineered wood products, it reduces the overall amount of wood used when compared to solid sawn timbers by diminishing the negative impact of knots and other small defects in each component board. By laminating a number of smaller pieces of sawn timber a single large, strong, structural member is manufactured from smaller pieces. These structural members are used as vertical columns or horizontal beams, as well as curved, arched shapes. Glulam is readily produced in curved shapes and is available in a range of species and appearance characteristics to meet varied end-use requirements. Connections are usually made with bolts or plain steel dowels and steel plates. The high strength and stiffness of laminated timbers enable glulam beams and arches to span large distances without intermediate columns, allowing more design flexibility than with traditional timber construction. The size is limited only by transportation and handling constraints. The reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/23391/documentation.

PropertyValue
NameGlued laminated timber - MUF-glue (glued laminated timber production)
SectorAgriculture/Hunting/Forestry/Fishing
CategoryTimber and Forestry Products
Sourceecoinvent
Source DatasetCut-off Cumulative LCIA v3.11
Region
Unit Type
Year
2018
Year Released
2024
Emission Factor
  • CO2e0000kg/m3
LCA Activity
unknown
Supported CO2e Calculation Method
AR5, AR6
Data Versioning
  • Status: Current

API Reference

Activity ID
timber_forestry-type_glued_laminated_timber_muf_glue_glued_laminated_timber_production_muf_glue
UUID
28d34559-438b-4c2e-b363-454468c56e49
Code Snippet
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