{"id":1549,"date":"2020-02-11T17:33:57","date_gmt":"2020-02-11T17:33:57","guid":{"rendered":"https:\/\/progetic.com\/?p=1549"},"modified":"2020-02-11T17:35:15","modified_gmt":"2020-02-11T17:35:15","slug":"isobio-hygrothermal-calculation-and-validation-of-a-structural-insulating-panel-with-bio-based-materials","status":"publish","type":"post","link":"https:\/\/progetic.com\/en\/blog-en\/isobio-hygrothermal-calculation-and-validation-of-a-structural-insulating-panel-with-bio-based-materials\/","title":{"rendered":"ISOBIO: hygrothermal calculation and validation of a structural insulating panel with bio-based materials"},"content":{"rendered":"\n<div class=\"wp-block-atomic-blocks-ab-container header_inside_02 header_height_03 animated fadeInUp slow ab-block-container alignfull\"><div class=\"ab-container-inside\"><div class=\"ab-container-image-wrap\"><img decoding=\"async\" class=\"ab-container-image has-background-dim-100 has-background-dim\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2019\/12\/header_blog.jpg\" alt=\"Blog\"\/><\/div><div class=\"ab-container-content\" style=\"max-width:1600px\">\n<div class=\"wp-block-atomic-blocks-ab-columns ab-layout-columns-2 ab-2-col-equal ab-columns-center\"><div class=\"ab-layout-column-wrap ab-block-layout-column-gap-1 ab-is-responsive-column\" style=\"max-width:1140px\">\n<div class=\"wp-block-atomic-blocks-ab-column ab-block-layout-column\"><div class=\"ab-block-layout-column-inner\">\n<p><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-atomic-blocks-ab-column ab-block-layout-column ab-is-vertically-aligned-bottom\"><div class=\"ab-block-layout-column-inner\">\n<h2 class=\"has-text-align-right subtitle_proyect wp-block-heading\">Blog<\/h2>\n\n\n\n<h1 class=\"has-text-align-right title_proyect wp-block-heading\">ISOBIO: hygrothermal calculation and validation of a structural insulating panel with bio-based materials<\/h1>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_efc873-1c > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_efc873-1c > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_efc873-1c > .kt-row-column-wrap{column-gap:40px;row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, calc(75% - ((40px * 1 )\/2)))minmax(0, calc(25% - ((40px * 1 )\/2)));}#kt-layout-id_efc873-1c > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_efc873-1c > .kt-row-column-wrap{grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 767px){#kt-layout-id_efc873-1c > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_efc873-1c\" class=\"kt-row-layout-inner  kt-layout-id_efc873-1c\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-wide kt-v-gutter-default kt-row-valign-top kt-row-layout-left-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row kt-custom-first-width-75 kt-custom-second-width-25\"><style>.kadence-column_4cf550-95 > .kt-inside-inner-col{padding-right:70px;}.kadence-column_4cf550-95 > .kt-inside-inner-col{border-top-width:0px;border-right-width:1px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_4cf550-95 > .kt-inside-inner-col,.kadence-column_4cf550-95 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_4cf550-95 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_4cf550-95 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_4cf550-95 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_4cf550-95 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_4cf550-95{position:relative;}@media all and (max-width: 1024px){.kadence-column_4cf550-95 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_4cf550-95 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_4cf550-95 column_blog\"><div class=\"kt-inside-inner-col\">\n<p>Against the environmental impact of the construction sector &#8211; responsible for 40% of the total primary energy consumption of the European Union &#8211; reduce both the energy embedded in the materials in the manufacturing phase, as well as the energy consumption of the buildings in their phase of use are urgent tasks. Wood, agricultural waste, and materials of biological origin are local renewable resources that can be used to promote the circular economy and reduce the environmental impact of the construction sector. This article shows an example of a prefabricated structural insulating panel, made with materials of biological origin, for new buildings of almost zero consumption.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ISOBIO New Build Panel<\/strong><\/h3>\n\n\n\n<p>The prototype of the panel that was monitored measures 1.95m x 1.95m, with a total thickness of 33.2cm in 8 layers with 9 different materials (Figure 1). It is composed by an exterior plaster of 25mm thick lime and hemp, applied on a rigid 50mm hemp thermal insulation, mechanically fixed to the 145mm thick red pine wood structure. Among the timber structure there is hemp, cotton, and linen insulation, followed by a 12 mm OSB 3 board. On the OSB an airtight and dynamic vapor control membrane has been fixed, followed by a 45mm thick service void filled with thermal insulation of hemp, cotton, and linen, between wooden battens, rotated 90\u00ba from the timber structure to mitigate the thermal bridge through the wooden elements. The void is closed with a thermo-compressed straw board 40mm thick, revoked inside with a clay and hemp compound, applied in 3 layers, 15mm thick.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_01-1.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-769\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_01-1.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_01-1-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_01-1-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_01-1-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 1: Sections and materials of ISOBIO New Build Panel<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_02-1.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-770\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_02-1.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_02-1-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_02-1-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_02-1-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 2: Sensor location in the panel<\/figcaption><\/figure>\n\n\n<style>.wp-block-kadence-advancedgallery .kb-gallery-type-grid.kb-gallery-id-_56a30c-cc{margin:-5px;}.kb-gallery-type-grid.kb-gallery-id-_56a30c-cc .kadence-blocks-gallery-item{padding:5px;}.kb-gallery-id-_56a30c-cc .kadence-blocks-gallery-item .kb-gal-image-radius, .kb-gallery-id-_56a30c-cc .kb-slide-item .kb-gal-image-radius img{border-radius:0px 0px 0px 0px;;}.kb-gallery-caption-style-bottom.kb-gallery-id-_56a30c-cc .kadence-blocks-gallery-item .kadence-blocks-gallery-item-inner .kadence-blocks-gallery-item__caption, .kb-gallery-caption-style-bottom-hover.kb-gallery-id-_56a30c-cc .kadence-blocks-gallery-item .kadence-blocks-gallery-item-inner .kadence-blocks-gallery-item__caption{background:linear-gradient(0deg, rgba(0, 0, 0, 0.5) 0, rgba(0, 0, 0, 0) 100%);}<\/style>\n<div class=\"wp-block-kadence-advancedgallery kb-gallery-wrap-id-_56a30c-cc\"><ul class=\"kb-gallery-ul kb-gallery-type-grid kb-gallery-id-_56a30c-cc kb-gallery-caption-style-bottom kb-gallery-filter-none\" data-item-selector=\".kadence-blocks-gallery-item\" data-image-filter=\"none\" data-lightbox-caption=\"true\" data-columns-xxl=\"2\" data-columns-xl=\"2\" data-columns-lg=\"2\" data-columns-md=\"2\" data-columns-sm=\"1\" data-columns-xs=\"1\" data-columns-ss=\"1\"><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-has-caption kb-has-image-ratio-land32\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land32\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03.jpg\" width=\"828\" height=\"518\" alt=\"Progetic ISOBIO\" data-full-image=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03.jpg\" data-light-image=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03.jpg\" data-id=\"771\" data-link=\"https:\/\/progetic.com\/isobio_03\/\" class=\"wp-image-771\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_03-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/div><figcaption class=\"kadence-blocks-gallery-item__caption\">Figura 3: Instal\u00b7laci\u00f3 dels panells al demostrador HIVE, Wroughton, Regne Unit<\/figcaption><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-has-caption kb-has-image-ratio-land32\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land32\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04.jpg\" width=\"828\" height=\"518\" alt=\"Progetic ISOBIO\" data-full-image=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04.jpg\" data-light-image=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04.jpg\" data-id=\"772\" data-link=\"https:\/\/progetic.com\/isobio_04\/\" class=\"wp-image-772\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_04-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/div><figcaption class=\"kadence-blocks-gallery-item__caption\">Figura 4: Instal\u00b7laci\u00f3n dels panells al demostrador Test Cell, Sevilla, Espanya<\/figcaption><\/div><\/figure><\/div><\/li><\/ul><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Installation and monitoring of demonstrators<\/strong><\/h3>\n\n\n\n<p>Figure 3 and Figure 4 show the installation of the panels in the demonstrators in Wroughton and Seville. A monitoring system was installed with a weather station recording the external conditions, a temperature probe on the outer face of the panel, a heat flow sensor and a temperature probe on the inner face, in accordance with ISO 9869 [1]. Additionally, temperature and relative humidity probes were installed in 3 interstitial points (Figure 2), to measure the dynamic hygrothermal behavior inside the panel and compare the results with the WUFI model, according to EN 15026 [2]. Data were measured at an interval of 5 minutes. The indoor temperature was maintained at an average temperature of 25.5 \u00b0 C throughout the period, with an electric air heater.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Results of monitoring and validation of calculation models<\/strong><\/h3>\n\n\n\n<p>Table 1 shows the calculation results of the U of the ISOBIO panel according to ISO 6946 [3] in steady state. For the thermal conductivities of the materials, the values measured in the laboratory were taken (for the dry material at 10 \u00b0 C, with a water content w = 0), and were recalculated with a model developed by the University of Rennes 1, for the material at a relative humidity of 50%, being a more realistic water content. For the comparison with the experimental data, the thermal effect of the structural elements of wood was neglected, since their incidence in the measurements of heat flux, temperature and relative humidity were considered negligible.<\/p>\n\n\n\n<p>The results of the period 02\/24\/2018 to 03\/14\/2018 are presented in the HIVE demonstrator, United Kingdom, for a total of 432 hours, or 18 days, with 5,184 data points. Table 2 and Figure 5 show the results of the thermal transmittance measured in situ according to ISO 9869, and its comparison with the value calculated in steady state, according to ISO 6946. Figure 6 shows the thermal transmittance measured in situ, compared to the dynamic value calculated with the WUFI tool. Figure 7, Figure 8 and Figure 9 show the temperature and relative humidity measured and calculated with WUFI, inside the panel, in the 3 positions indicated in Figure 2.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"434\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_011.png\" alt=\"Tabla 1: C\u00e0lcul de la U del panell ISOBIO de nova construcci\u00f3, conforme la ISO 6946\" class=\"wp-image-898\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_011.png 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_011-300x170.png 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_011-200x113.png 200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Table 1: U-value calculation of ISOBIO New Build Panel, according to ISO 6946<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"408\" height=\"225\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_021.png\" alt=\"Tabla 2: Resultats, U mesurats in-situ i U calculades (ISO 6946)\" class=\"wp-image-900\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_021.png 408w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_021-300x165.png 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/tabla_021-200x110.png 200w\" sizes=\"auto, (max-width: 408px) 100vw, 408px\" \/><figcaption>Table 2: In situ measured and calculated (ISO 6946) U-value<\/figcaption><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_05.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-773\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_05.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_05-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_05-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_05-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 5: In situ vs. Steady state calculated (ISO 6946) U-valueU<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_06.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-774\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_06.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_06-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_06-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_06-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 6: In situ vs. Dynamic calculated (WUFI) U-value<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_07.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-775\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_07.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_07-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_07-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_07-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 7: Temperature &amp; relative humidity measured vs. WUFI modelled, Position 2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_08.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-776\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_08.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_08-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_08-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_08-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 8: Temperature &amp; relative humidity measured vs. WUFI modelled, Position 3<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"518\" src=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_09.jpg\" alt=\"Progetic ISOBIO\" class=\"wp-image-777\" srcset=\"https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_09.jpg 828w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_09-300x188.jpg 300w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_09-768x480.jpg 768w, https:\/\/progetic.com\/wp-content\/uploads\/2020\/01\/isobio_09-200x125.jpg 200w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><figcaption>Figure 9: Temperature &amp; relative humidity measured vs. WUFI modelled, Position 4<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Conclusions<\/strong><\/h3>\n\n\n\n<p>The result of\nthe average thermal transmittance measured in situ (Figure 5), is 7% higher\nthan the value calculated in steady state, being a minimum difference, within\nthe range of uncertainty of the measurement. The results indicate reliable\nbehavior and a close correlation between the calculated and measured. It\nhighlights the importance of taking into account a realistic moisture content\nin the materials, when making a simplified calculation of thermal\ntransmittance, where the only parameter is thermal conductivity.<\/p>\n\n\n\n<p>The hourly\nthermal transmittance measured in situ and the dynamically calculated values\nwith the WUFI tool (Figure 6), show an even better correlation, with a\ndifference of 4% between the average of the U measured in situ and the U\ncalculated with WUFI . It indicates that the coupled calculation of heat and\nhumidity transfer of the WUFI tool accurately reflects the dynamic thermal\ntransmittance for such a building element, with materials of biological origin.<\/p>\n\n\n\n<p>Finally, the\nresults of the temperature and HR measured and modeled with WUFI in positions 2,\n3 and 4 (Figure 7, Figure 8 and Figure 9), show that dynamic temperature\nvariations are very well reflected in the model. Short-term variations in\nrelative humidity are not reflected with the same precision in the model,\npossibly because of the assumption that the content of water in equilibrium in\nthe materials is instant, when in reality, there is a hysteresis [4]. However,\nthe results show a very good correlation between the measured and the\ncalculated, demonstrating that the materials of biological origin in such a\ncomposite panel can contribute to the reduction of the energy consumption of a\nbuilding in its operation phase, with a minimum amount of energy embedded in\nthe materials in the manufacturing phase.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Acknowledgments<\/strong><\/h3>\n\n\n\n<p>The ISOBIO project was carried out thanks\nto grant No. 636835 granted by the European Union. <a href=\"http:\/\/isobioproject.com\">http:\/\/isobioproject.com<\/a><\/p>\n\n\n\n<p>Based on the article de N. Reuge, F. Collet, S. Pretot, S. Moisette, M. Bart, O. Style, A. Shea, C. Lanos 2019, Hygrothermal transfers through a bio-based multilayered ISOBIO wall \u2013 Part I: Validation of a local kinetics model of sorption and simulations of the HIVE demonstrator. Laboratoire de G\u00e9nie Civil et G\u00e9nie M\u00e9canique, Axe Ecomat\u00e9riaux pour la construction, Universit\u00e9 de Rennes, 3 rue du Clos Courtel, BP 90422, 35704 Rennes, France.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_0a1d10-67 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_0a1d10-67 > .kt-inside-inner-col,.kadence-column_0a1d10-67 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_0a1d10-67 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_0a1d10-67 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_0a1d10-67 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_0a1d10-67 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_0a1d10-67{position:relative;}@media all and (max-width: 1024px){.kadence-column_0a1d10-67 > 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