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Cross-laminated timber (clt) panels fact sheet - virginia ...

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What are clt panels? clt panels are comprised of lumber or composites ... number of layers, three to seven per panel, is common to fabricate clt panels.
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Cross-Laminated Timber (CLT) panels FactSheetAuthored by Henry Quesada, Professor and Extension Specialist; Sailesh Adhikari, Research Associate, and Robert Smith,professor. Department of Sustainable Biomaterials, Virginia Tech.What are CLT panels?CLT panels are comprised of lumber or compositeslayers with boards stacked crosswise at 90-degreeangles and glue together. See Figure 1. An oddnumber of layers, three to seven per panel, iscommon to fabricate CLT panels. Some of thecompanies in Europe are manufacturing up to ninelayers.Figure 1: Structural grade CLT layups. Source:(Fragiacomo et al., 2012)HistoryCLT was invented in the early 1990s in centralEurope and is now considered an alternativeconstruction material to mid and high-rise buildingsacross the globe. Based on uses, CLT panels are twotypes: structural or non-structural. Structural CLTpanels are used in structural construction andmanufactured under the criteria specified by APA-PRG 320 standard in North America. However, non-s...