An Assessment of the Quantifiable Effects for Expressed Timber Biophilic Treatments: A Case for Mass Timber Construction?
Abstract
Biophilia refers to the innate human inclination to connect with nature. Mass Timber Construction (MTC) may hold the key to increasing the adoption of biophilic treatments in sustainable architecture through the inherent properties of timber. Existing literature on biophilia has explored its benefits and adoption strategies, however, these studies predominantly emphasise the short-term effects on human health and well-being relying on subjective measures. There exists a research gap in comprehending the long-term and sustained benefits of biophilic environments from a more comprehensive perspective that considers both subjective and objective measures. Utilising the Meta-Essentials tool, the present paper aimed to conduct a meta-analytic review of the literature examining both subjective and objective outcomes from biophilic experimentation not previously examined seeking support for MTC and its potential biophilic effects. A total of 11 studies were considered part of the final review with a combined sample size of 727 participants. The main findings included an overall moderate effect for participants subjected to biophilic environments, including exposure to wood interior treatments. A sub-group analysis of subjective and objective measures also indicated a mild effect in each domain. The findings support previous meta-analysis evidence for the utility of biophilic design and application to internal environments. The outcomes of quantifying biophilic health benefits are crucial for the development of mass timber-constructed buildings for several reasons. Firstly, it can help justify the use of wood and mass timber as sustainable alternatives to traditional building materials, such as concrete and steel, by providing evidence of their positive impact on human health and wellbeing. Secondly, it can inform the design process, enabling architects and designers to create spaces that maximise the biophilic response and optimize occupants’ health and wellbeing outcomes. Lastly, it can contribute to the broader goals of sustainable architecture by demonstrating the potential of biophilic design in achieving sustainability targets, such as enhancing productivity, biodiversity, and circularity.
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