{"id":34332,"date":"2024-01-10T16:37:18","date_gmt":"2024-01-10T16:37:18","guid":{"rendered":"https:\/\/evalore.es\/wp\/?p=34332"},"modified":"2024-02-07T16:47:42","modified_gmt":"2024-02-07T15:47:42","slug":"thermal-bridge-assessment-in-internal-linings","status":"publish","type":"post","link":"https:\/\/evalore.es\/en\/evaluacion-de-los-puentes-termicos-en-trasdosados-interiores\/","title":{"rendered":"Assessment of Thermal Bridges in Interior Drylining"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><\/span><wp-block data-block=\"core\/more\"><\/wp-block><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Introduction<\/strong><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The <strong>Energy efficiency<\/strong> in buildings it is crucial, and the effectiveness of <strong>Thermal insulation<\/strong> In the facades, it plays a key role in this context. However, a significant challenge arises, especially when insulating from the interior: <strong>thermal bridges generated by the metal studs of the interior lining.<\/strong> These points of discontinuity often go unnoticed by architectural studies and can significantly compromise insulation performance.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full wp-image-34333\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/seccion-db.png\" alt=\"\" class=\"wp-image-34333\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 1 \u2013 Studio facade section (Source: Design Builder)<\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The <strong>thermal bridges<\/strong> represent critical areas where the continuity of insulation is interrupted, which, when insulated from the inside, becomes a recurring challenge. Negligence in considering these points can result in significant heat loss, increasing the <strong>energy demand<\/strong> to maintain thermal comfort conditions. On the other hand, effectively addressing these thermal bridges not only <strong>Optimise<\/strong> the performance of the existing insulation, but also entails a <strong>reduction<\/strong> direct in the <strong>energy demand <\/strong>And in the <strong>isolation<\/strong> used, contributing to the environmental and economic sustainability of buildings. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Furthermore, it is important to highlight that thermal bridges can cause <strong>cold spots<\/strong> on interior surfaces, which, upon contact with hot air, can promote <strong>Condensations<\/strong>, leading to mould problems (with health implications) and compromising <strong>durability<\/strong> of building materials.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">In this study, we focus on evaluating how meticulous attention to <strong>thermal bridges<\/strong>, particularly those associated with metal studs in interior partitions, not only improve insulation efficiency but also offer an opportunity to achieve higher thermal performance with a <strong>least amount of material<\/strong>. This is revealed as a key aspect in optimising efficient and sustainable designs when tackling the specific challenges posed by internal insulation.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">As a reference, thermal transmittances are used, where lower values indicate lower energy losses due to conduction. Therefore, generally, <strong>A facade with low thermal transmittance is a more efficient facade. <\/strong>However, to determine the optimal thermal transmittance and achieve precision tailored to the specific characteristics of each building and climate zone, it is recommended to carry out a <a href=\"https:\/\/evalore.es\/en\/wp\/energy-optimisation-in-high-performance-buildings-the-role-of-energy-simulation\/\"><strong>dynamic energy simulation<\/strong><\/a>, as each case may present unique characteristics that require a more detailed cost-benefit analysis. For example, the <strong>DB HE 2019<\/strong> (CTE) for new construction, establishes the following <strong>limit thermal transmittances<\/strong> for the climate zones in question:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34389\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust2_2.png.jpg\" alt=\"\" class=\"wp-image-34389\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 2 \u2013 Limiting thermal transmittance of opaque building elements according to the CTE (W\/m\u00b2-K)<\/span><\/figcaption><\/figure>\n\n\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Methodology and Results THERM<\/strong><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">To evaluate the effectiveness of thermal insulation and understand the impact of thermal bridges, the tool was employed <strong>Therm<\/strong> In this study, the thermal transmittance of the enclosure was corrected, taking into account the influence of these thermal bridges in detail. In practical terms, specific boundary conditions were considered: an external temperature of 0\u00b0C and an internal temperature of 20\u00b0C.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The lining of the analysed fa\u00e7ade has the following characteristics:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\"><strong>8 cm thermal insulation<\/strong><\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\"><strong>Stud width 8 cm<\/strong><\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\"><strong>3.5 cm strut wing<\/strong><\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\"><strong>Supports every 40 cm<\/strong><\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">This study focused on exploring <strong>four scenarios<\/strong> different ways to address thermal bridges:<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Scenario 1: Metal Studs<\/strong><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">In this scenario, the conventional metal stud configuration was used, evaluating the effectiveness of thermal insulation under standard conditions.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Caracter\u00edsticas del aislamiento:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">8 cm of semi-rigid mineral wool: Conductivity 0.031 W\/m-K<\/span><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34336\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust2.png\" alt=\"\" class=\"wp-image-34336\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 3 \u2013 Fa\u00e7ade without metal stud vs. fa\u00e7ade with metal stud and generated thermal bridge (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34338\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust3.png\" alt=\"\" class=\"wp-image-34338\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Figure 4 \u2013 Facade without metal stud vs facade with metal stud and thermal bridge generated (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">Thermal transmittance without considering the metal mullions: U 0.344 W\/m2-K<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">Thermal transmittance considering metal studs: U 0.765 W\/m2-K <strong>(increase of 122%)<\/strong><\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Scenario 2: Wooden Studs<\/strong><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">In an effort to optimise performance, a significant modification was implemented: the steel stud was replaced with a wooden stud, which has lower conductivity. This improvement has led to a notable reduction in thermal bridging, thereby increasing the thermal efficiency of the facade analysed.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Caracter\u00edsticas del aislamiento:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">8 cm of semi-rigid mineral wool: Conductivity 0.031 W\/m-K<\/span><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34339\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust4.png\" alt=\"\" class=\"wp-image-34339\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 5 \u2013 Metal stud facade vs. timber stud facade with thermal bridge reduction (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34340\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust5.png\" alt=\"\" class=\"wp-image-34340\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 6 \u2013 Facade without metal stud vs. facade with metal stud and thermal bridge generated (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">Thermal transmittance considering metal mullions: U 0.765 W\/m\u00b2-K<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">Thermal transmittance considering timber studs: U 0.405 W\/m2-K <strong>(reduction of 47%)<\/strong><\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Scenario 3: Metal Studs with Continuous Insulation<\/strong><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The third scenario explored the option of setting the plasterboard backing a few centimetres away and placing a 2 cm semi-rigid mineral wool insulation behind it, designed to effectively break the thermal bridge created by the metal studs and reduce thermal transmittance. Furthermore, the insulation between studs has been reduced from 8 cm to 6 cm. This configuration aims to compare the impact of correcting the thermal bridge with scenario 1, which has 8 cm of insulation, but with the same total amount of insulation.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Caracter\u00edsticas del aislamiento:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">6 cm of semi-rigid mineral wool: Conductivity 0.031 W\/m-K<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">2 cm of semi-rigid rock wool: Conductivity 0.031 W\/m-K<\/span><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34419\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust6-1.png\" alt=\"\" class=\"wp-image-34419\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 7 \u2013 Timber frame facade vs. timber frame facade with continuous insulation behind (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34420\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust7-1.png\" alt=\"\" class=\"wp-image-34420\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 8 \u2013 Metal stud facade vs. metal stud facade with continuous insulation behind (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">Thermal transmittance considering metal mullions: U 0.765 W\/m\u00b2-K<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">Thermal transmittance considering metal studs with continuous insulation: U 0.449 W\/m2-K <strong>(41% reduction in thermal transmittance)<\/strong><\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Scenario 4: Metal Studs without insulation and with continuous insulation behind<\/strong><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The fourth scenario involves removing the insulation between studs and maintaining only the continuous insulation behind the plasterboard.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Caracter\u00edsticas del aislamiento:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">2 cm of semi-rigid rock wool: Conductivity 0.031 W\/m-K<\/span><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34421\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust8-1.png\" alt=\"\" class=\"wp-image-34421\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 9 \u2013 Metal stud facade vs. metal stud facade without insulation and continuous insulation behind (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34422\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust9-1.png\" alt=\"\" class=\"wp-image-34422\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 10 \u2013 Metal stud facade vs. metal stud facade without insulation and continuous insulation behind (Source: Therm)<\/span><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">Thermal transmittance considering metal mullions: U 0.765 W\/m\u00b2-K<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">Thermal transmittance considering metal mullions with no continuous insulation behind: U 0.905 W\/m2-K <strong>(an 181% increase in thermal transmittance whilst reducing the thickness of the insulation by 75%)<\/strong><\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Summary of scenarios<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34433\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/grafica.jpg\" alt=\"\" class=\"wp-image-34433\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Chart 1 \u2013 Thermal transmittance of each proposed scenario (W\/m2-K)<\/span><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Analysis of the impact of thermal bridges in different climatic zones<\/strong><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Following the assessment of the <strong>Scenarios<\/strong> raised, it is fundamental to understand how these configurations affect thermal efficiency in different <strong>climate zones<\/strong> from the Iberian Peninsula. The <strong>Climate<\/strong> varies significantly from north to south, and from coast to inland, implying unique challenges for the thermal design of buildings.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The analysis of the <strong>energy demand<\/strong> was carried out using the tool <strong>Design Builder<\/strong>, with the aim of understanding the influence of the thermal bridge as a function of the type of climate. This tool allowed for a precise and detailed exploration of how corrections in the <strong>Thermal transmittance<\/strong> The building envelope's performance affects energy needs in different climatic zones of the Iberian Peninsula. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">In the context of this study, a basic design rectangular office building of 415 m2 was taken as a reference to examine energy savings and thermal efficiency of insulation.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34424\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/ilust11_edifici-1024x742.png\" alt=\"\" class=\"wp-image-34424\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 11 \u2013 Solar path reference building<\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The aim is to provide a more comprehensive and regionalised perspective of how different <strong>Thermal design scenarios<\/strong> affect the energy needs in diverse climatic contexts. This analysis will allow us not only to understand the <strong>efficiency<\/strong> from each scenario in general terms, but also to adapt our recommendations to the particular conditions of each geographical location.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Hereafter, the results will be presented. <strong>energy demand<\/strong> with respect to Scenario 1, obtained by energy simulation:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34430\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/demand.jpg\" alt=\"\" class=\"wp-image-34430\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 12 \u2013 Variation in energy demand with respect to Scenario 1<\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Assuming an electricity cost of \u20ac0.2\/kWh, a COP of 4 and an EER of 3, the following variation results are obtained <strong>Annual energy consumption <\/strong>With regard to Scenario 1:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34429\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/consum.jpg\" alt=\"\" class=\"wp-image-34429\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 13 \u2013 Energy consumption variation compared to Scenario 1<\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Furthermore, to carry out the cost-benefit analysis, a price per square metre has been estimated for each insulation solution, giving the <strong>investment <\/strong>Regarding scenario 1:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34431\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/inv.jpg\" alt=\"\" class=\"wp-image-34431\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 14 \u2013 Investment relative to Scenario 1 and insulation cost (\u20ac\/m2)<\/span><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">Finally, the following results have been obtained from <strong>repayment <\/strong>With regard to Scenario 1:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter wp-image-34432\"><img decoding=\"async\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/payback.jpg\" alt=\"\" class=\"wp-image-34432\"\/><figcaption class=\"wp-element-caption\"><span style=\"color: #000000;\">Illustration 15 \u2013 Return on investment in years relative to Scenario 1<\/span><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"color: #000000;\"><strong>Conclusions<\/strong><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">The detailed study using the THERM tool has provided valuable insights into thermal design strategies for facades when insulating from the interior. The key conclusions based on the obtained results are presented below:<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><strong>Metal Studs vs. Wood Studs:<\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">Consider the metal uprights of the stud wall. <strong>Increase<\/strong> thermal transmittance in a <strong>122%<\/strong>.<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">Using wooden studs instead of metal ones significantly corrects the thermal bridge, with a <strong>reduction of 47%<\/strong> on the transmittance. However, using wooden studs is more <strong>Dear<\/strong>.<\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><strong>Continuous Rigid Insulation Behind the Stud Wall<\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">The option of using continuous rigid insulation behind the lining corrects the thermal bridge, achieving a <strong>reduction of 41%<\/strong> in thermal transmittance with the same insulation thickness.<\/span><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><strong>Remove Insulation Between Studs<\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">The strategy of using only continuous rigid insulation behind the plasterboard and eliminating insulation between studs <strong>increases by just 18%<\/strong> thermal transmittance, showing the impact of using continuous insulation compared to using greater thickness of insulation and not addressing thermal bridges.<\/span><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\"><span style=\"color: #000000;\"><strong>Metal studs reduce the thermal insulation efficiency by 122%<\/strong><\/span><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\">On the other hand, the <strong>Energy demand analysis<\/strong> carried out in different climatic zones with Design Builder highlights the following conclusions:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000;\">The optimisation of thermal bridges and the reduction of thermal transmittance (scenarios 2 and 3) lead to a notable <strong>decrease<\/strong> of energy demand. This positive impact is mainly evident in climates with high heating demand, such as in Madrid and La Coru\u00f1a, but also in more temperate climates, such as Barcelona and Seville.\u00bb<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000;\">Correct the thermal bridge caused by the metal stud by using one less layer of 75% insulation (scenario 4) <strong>increase<\/strong> slightly <strong>energy demand<\/strong> in all climatic zones, especially in those with mild climates and higher heating demands (La Coru\u00f1a) but <strong>reduce<\/strong> significantly the <strong>investment<\/strong>.<\/span><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image alignleft\"><img fetchpriority=\"high\" decoding=\"async\" width=\"230\" height=\"230\" src=\"https:\/\/evalore.es\/wp\/app\/uploads\/2024\/01\/perfil-francesc-modified.png\" alt=\"\" class=\"wp-image-26006\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\"><strong>Francesc Borrell Forner<\/strong>, Consultant in Sustainability and Energy Efficiency<\/span><br><span style=\"color: #000000;\">Espacios Evalore SLP<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Energy efficiency in buildings is crucial, and the effectiveness of thermal insulation in facades plays a key role in this context. However, a significant challenge arises, especially when insulating from the interior: the thermal bridges generated by the metal studs of the interior lining. <\/p>","protected":false},"author":1,"featured_media":34566,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,104,98,76,80,112],"tags":[106,108,102,110,92],"class_list":["post-34332","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ayudas-rehabilitacion","category-eficiencia-energetica","category-next-generation","category-passivhaus","category-rehabilitacion-energetica","category-simulacion-energetica","tag-aislamiento-termico","tag-confort-termico","tag-eficiencia-energetica","tag-puentes-termicos","tag-sostenibilidad"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Evaluaci\u00f3n de los Puentes 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