Cross-laminated timber wall design and energy consumption analysis

Cross-laminated timber is considered one of the innovative ideas that can reduce carbon emissions and energy consumption.
In addition, cross-laminated timber is an energy-intensive and environmentally friendly building material using wood.
Cross-laminated timber is a wood material bonded by crossing wooden boards and shows excellent insulation and airtight performance.
In addition, cross-laminated timber has high strength and rigidity to construct high-rise wooden structures.
Cross-laminated timber is continuously being researched and developed in construction as it can be used for walls, floors, and roofs.
In this paper, cross-laminated wooden walls for mid-rise apartments proposed in ASHRAE 90.1 were designed.
The energy consumption of the building to which it was applied was analyzed using building energy simulation.
The wall design was constructed using four different insulation materials, including expanded polystyrene foam and glass wool, and the most energy-efficient wall was derived.
The most energy-efficient wall was a wall with rock wool, and a cross-laminated timber building with rock wool and energy-saving technology could reduce energy consumption by about 14%. In particular, heating energy consumption in winter was reduced by up to about 36%, and it was confirmed that the cross-laminated timber walls had excellent insulation performance.
Cross-laminated timber buildings can be an alternative to reducing energy consumption in the building sector.

International Symposium on New Technologies for Sustainable Greenhouse Systems: GreenSys2023

H.M. Cho, D.H. Jang, K.U. Ahn, Y.S. Yun, T.H. Kim, C.Y. Bae, C.U. Chae

cross-laminated timber, energy simulation, wall design, energy consumption

https://doi.org/10.17660/ActaHortic.2025.1426.68