{"id":781,"date":"2026-09-24T12:11:04","date_gmt":"2026-09-24T10:11:04","guid":{"rendered":"https:\/\/tramuntanaprojects.com\/sin-categorizar\/ventilated-facade-or-etics\/"},"modified":"2026-10-20T15:28:54","modified_gmt":"2026-10-20T13:28:54","slug":"ventilated-facade-or-etics","status":"publish","type":"post","link":"https:\/\/tramuntanaprojects.com\/en\/thermal-insulation-etics\/ventilated-facade-or-etics\/","title":{"rendered":"SATE or ventilated fa\u00e7ade: differences to help you choose wisely"},"content":{"rendered":"\n<div class=\"sv-editorial\">\n<p class=\"sv-byline\">By the <a href=\"https:\/\/tramuntanaprojects.com\/en\/about-us\/\">Tramuntana Projects team<\/a> \u00b7 Technical architects and site managers in Mallorca.<\/p>\n<p class=\"sv-answer\"><strong>The difference between a ventilated fa\u00e7ade and SATE (an external thermal insulation composite system, ETICS) lies in how the external wall build-up is organised.<\/strong> SATE adds insulation on the outside with a render applied over it, without a ventilated cavity. A ventilated fa\u00e7ade separates the outer cladding with an air cavity. Neither option is best for every house: the complete system and how it fits the building must be compared.<\/p>\n<p>If you\u2019re thinking of refurbishing a fa\u00e7ade, starting from the name of the system can lead you to choose too early. First we need to know what\u2019s there, what you want to improve and how windows, roof and other junctions will be resolved.<\/p>\n<nav class=\"sv-index\" aria-label=\"In this comparison\"><a href=\"#sv-capas\">The difference, drawn<\/a><a href=\"#sv-comparar\">What changes in practice<\/a><a href=\"#sv-elegir\">What to ask before choosing<\/a><\/nav>\n\n<h2 id=\"sv-capas\">Two sections to understand it<\/h2>\n<p>Think of the wall seen from the side. In these diagrams, the inside is on the left and the outside on the right. The air cavity only appears in the ventilated solution.<\/p>\n<div class=\"sv-systems\">\n<figure>\n<h3>SATE (ETICS)<\/h3>\n<p class=\"sv-direction\">INSIDE <span aria-hidden=\"true\">\u2192<\/span> OUTSIDE<\/p>\n<svg viewBox=\"0 0 340 280\" role=\"img\" aria-labelledby=\"sv-sate-title sv-sate-desc\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<title id=\"sv-sate-title\">Conceptual diagram of a SATE (ETICS) system<\/title><desc id=\"sv-sate-desc\">From left to right: existing substrate, external insulation and render, which groups the reinforced base coat and the finish. No ventilated cavity is shown.<\/desc>\n<rect width=\"340\" height=\"280\" fill=\"#eeeae2\"\/><rect x=\"57\" y=\"37\" width=\"92\" height=\"202\" fill=\"#bcbcb2\" stroke=\"#56584e\" stroke-width=\"2\"\/><g stroke=\"#929589\" stroke-width=\"2\"><path d=\"M57 76H149M57 117H149M57 159H149M57 201H149M105 37V76M88 76V117M112 117V159M90 159V201M108 201V239\"\/><\/g>\n<rect x=\"149\" y=\"37\" width=\"82\" height=\"202\" fill=\"#7fa8ae\" stroke=\"#405b60\" stroke-width=\"2\"\/><g stroke=\"#b5c9c6\" stroke-width=\"2\"><path d=\"M158 49L222 70M158 80L222 101M158 111L222 132M158 142L222 163M158 173L222 194M158 204L222 225\"\/><\/g>\n<rect x=\"231\" y=\"37\" width=\"22\" height=\"202\" fill=\"#b9bd89\" stroke=\"#58603f\" stroke-width=\"2\"\/><path d=\"M256 37V239\" stroke=\"#4a4b42\" stroke-width=\"4\"\/>\n<g fill=\"#fff\" stroke=\"#405b60\" stroke-width=\"2\"><circle cx=\"103\" cy=\"256\" r=\"13\"\/><circle cx=\"190\" cy=\"256\" r=\"13\"\/><circle cx=\"251\" cy=\"256\" r=\"13\"\/><\/g><g fill=\"#263d42\" font-family=\"sans-serif\" font-size=\"14\" text-anchor=\"middle\" font-weight=\"700\"><text x=\"103\" y=\"261\">1<\/text><text x=\"190\" y=\"261\">2<\/text><text x=\"251\" y=\"261\">3<\/text><\/g>\n<\/svg>\n<figcaption><ol><li><strong>Substrate<\/strong> receiving the system.<\/li><li><strong>Insulation<\/strong> on the outside.<\/li><li><strong>Render:<\/strong> reinforced base coat and finish.<\/li><\/ol><\/figcaption>\n<\/figure>\n<figure>\n<h3>Ventilated fa\u00e7ade<\/h3>\n<p class=\"sv-direction\">INSIDE <span aria-hidden=\"true\">\u2192<\/span> OUTSIDE<\/p>\n<svg viewBox=\"0 0 340 280\" role=\"img\" aria-labelledby=\"sv-vent-title sv-vent-desc\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<title id=\"sv-vent-title\">Conceptual diagram of an insulated ventilated fa\u00e7ade<\/title><desc id=\"sv-vent-desc\">From left to right: substrate, insulation, air cavity and separate outer cladding. Vertical arrows identify the cavity; fixings and construction details are not shown.<\/desc>\n<rect width=\"340\" height=\"280\" fill=\"#eeeae2\"\/><rect x=\"30\" y=\"37\" width=\"78\" height=\"202\" fill=\"#bcbcb2\" stroke=\"#56584e\" stroke-width=\"2\"\/><g stroke=\"#929589\" stroke-width=\"2\"><path d=\"M30 76H108M30 117H108M30 159H108M30 201H108M69 37V76M53 76V117M80 117V159M56 159V201M77 201V239\"\/><\/g>\n<rect x=\"108\" y=\"37\" width=\"65\" height=\"202\" fill=\"#7fa8ae\" stroke=\"#405b60\" stroke-width=\"2\"\/><g stroke=\"#b5c9c6\" stroke-width=\"2\"><path d=\"M116 49L165 70M116 80L165 101M116 111L165 132M116 142L165 163M116 173L165 194M116 204L165 225\"\/><\/g>\n<path d=\"M205 214V164M205 141V91M205 70V30M200 38L205 30L210 38M200 99L205 91L210 99M200 172L205 164L210 172\" stroke=\"#405b60\" stroke-width=\"3\" fill=\"none\"\/>\n<rect x=\"237\" y=\"37\" width=\"25\" height=\"97\" fill=\"#626858\" stroke=\"#41453b\" stroke-width=\"2\"\/><rect x=\"237\" y=\"143\" width=\"25\" height=\"96\" fill=\"#626858\" stroke=\"#41453b\" stroke-width=\"2\"\/>\n<g fill=\"#fff\" stroke=\"#405b60\" stroke-width=\"2\"><circle cx=\"69\" cy=\"256\" r=\"13\"\/><circle cx=\"140\" cy=\"256\" r=\"13\"\/><circle cx=\"205\" cy=\"256\" r=\"13\"\/><circle cx=\"252\" cy=\"256\" r=\"13\"\/><\/g><g fill=\"#263d42\" font-family=\"sans-serif\" font-size=\"14\" text-anchor=\"middle\" font-weight=\"700\"><text x=\"69\" y=\"261\">1<\/text><text x=\"140\" y=\"261\">2<\/text><text x=\"205\" y=\"261\">3<\/text><text x=\"252\" y=\"261\">4<\/text><\/g>\n<\/svg>\n<figcaption><ol><li><strong>Substrate<\/strong> of the wall.<\/li><li><strong>Insulation<\/strong> in the solution shown.<\/li><li><strong>Air cavity<\/strong> behind the finish.<\/li><li><strong>Outer cladding<\/strong> separated from the substrate.<\/li><\/ol><\/figcaption>\n<\/figure>\n<\/div>\n<p class=\"sv-caption\">Explanatory drawings, not to scale. Fixings, subframe and other layers or details are omitted to show the main difference. They can\u2019t be used for construction and don\u2019t define thicknesses.<\/p>\n\n<h2 id=\"sv-comparar\">SATE or ventilated fa\u00e7ade: what changes in practice<\/h2>\n<div class=\"sv-compare\">\n<section><h3>The look of the house<\/h3><div><p><strong>SATE<\/strong>A continuous finish is common, although others exist within specific systems. It isn\u2019t just about choosing a colour.<\/p><p><strong>Ventilated<\/strong>The panel layout, joints and cladding material are part of the design.<\/p><\/div><\/section>\n<section><h3>Available space<\/h3><div><p><strong>SATE<\/strong>The added thickness and how it meets openings and trims must be resolved.<\/p><p><strong>Ventilated<\/strong>The cavity and the elements supporting the cladding must also be considered.<\/p><\/div><\/section>\n<section><h3>Construction<\/h3><div><p><strong>SATE<\/strong>Substrate preparation, the system layers and special points matter.<\/p><p><strong>Ventilated<\/strong>The substrate, anchoring and subframe matter, along with the continuity and detailing of the cavity.<\/p><\/div><\/section>\n<section><h3>Maintenance<\/h3><div><p><strong>SATE<\/strong>The finish, trims and any damaged areas are inspected in line with the system.<\/p><p><strong>Ventilated<\/strong>Cladding, joints, fixings and accessible points are inspected according to the installed solution.<\/p><\/div><\/section>\n<\/div>\n<p>In both cases the existing substrate must be checked and the complete system defined, including loads and fire behaviour. It isn\u2019t enough for an insulation material to perform well on its own: what matters is how the envelope is resolved, including its junctions.<\/p>\n\n<h2>Which insulates better?<\/h2>\n<p><strong>It can\u2019t be answered with just \u201cSATE\u201d or \u201cventilated\u201d.<\/strong> The result depends on the planned insulation, its continuity, the existing wall and thermal bridges, among other factors. Two proposals with different insulation aren\u2019t an equivalent comparison even if they cover the same square metres.<\/p>\n<p>The cavity is a construction difference of the ventilated fa\u00e7ade, but it doesn\u2019t allow a specific saving to be promised in every home. To assess how your house will perform, the proposed solution, exposure and the rest of the envelope need studying, not extrapolating another building\u2019s percentage.<\/p>\n\n<h3>What if there is damp?<\/h3>\n<p>First its source must be identified. Water ingress, condensation and rising damp aren\u2019t treated as if they were the same problem. Adding an external system shouldn\u2019t be presented as an automatic cure. The diagnosis must guide the project, not come after choosing the finish.<\/p>\n\n<h2>Comparing cost beyond the price per square metre<\/h2>\n<p>A price on its own doesn\u2019t explain whether it includes substrate preparation, access equipment, insulation, trims, changes to existing elements or special finishes. Nor whether the two proposals resolve the same junctions. The geometry and condition of the fa\u00e7ade can change the scope considerably.<\/p>\n<div class=\"sv-budget\"><span class=\"sv-label\">A FAIR COMPARISON<\/span><p><strong>Same fa\u00e7ade + same objective + written scope.<\/strong><\/p><p>Ask for the system, the included items, pending points and expected maintenance to be identified. Then compare the amounts. That way you\u2019ll know what you\u2019re paying for and what might be left out.<\/p><\/div>\n<p>Without that definition, claiming one option will always be cheaper can mislead the decision. In this guide we don\u2019t give a single range: the solution being compared has to be defined first.<\/p>\n\n<h2 id=\"sv-elegir\">Five questions for the technical visit<\/h2>\n<ol class=\"sv-questions\"><li><strong>What problem do we want to solve?<\/strong> Comfort, damage, a change of look or a combination.<\/li><li><strong>What condition is the fa\u00e7ade in?<\/strong> Materials, previous repairs and areas that need checking.<\/li><li><strong>How are the junctions resolved?<\/strong> Windows, shutters, balconies, roof, plinth and elements passing through the fa\u00e7ade.<\/li><li><strong>What constrains the work?<\/strong> Access, occupancy of the building, boundaries and possible protections.<\/li><li><strong>How will it be inspected afterwards?<\/strong> Maintenance, access to elements and documentation of the installed solution.<\/li><\/ol>\n<p>For that first conversation, the address, overall and detail photos, and any available plans or reports are useful. If data is missing, the right approach is to identify what needs checking, not to choose a system by elimination from a photo.<\/p>\n\n<h2>Common questions<\/h2>\n<div class=\"sv-faq\">\n<details><summary>Can either be installed on an old house?<\/summary><p>It shouldn\u2019t be assumed. Substrate, geometry, condition, junctions and the property\u2019s conditions need reviewing. A house being old doesn\u2019t on its own determine which fits better.<\/p><\/details>\n<details><summary>Does a ventilated fa\u00e7ade always include insulation?<\/summary><p>The cavity and separate cladding define the ventilated solution. Insulation must be explicitly identified in the proposal. The diagram in this guide represents a solution that does include it.<\/p><\/details>\n<details><summary>Does SATE keep all the fa\u00e7ade details?<\/summary><p>Not automatically. The thickness and trims can affect mouldings, surrounds and other elements. Keeping or adapting them must be studied, as well as the limits of any heritage protection.<\/p><\/details>\n<details><summary>Can systems be combined?<\/summary><p>It can be studied when it makes sense for the building. The junction between solutions needs technical definition: it isn\u2019t enough to choose a different finish for each area.<\/p><\/details>\n<\/div>\n<p class=\"sv-next\">Before choosing a system, it\u2019s worth knowing the condition of the substrate, the junctions and the building\u2019s needs. If you need to repair or restore your fa\u00e7ade in Mallorca, see our <a href=\"https:\/\/tramuntanaprojects.com\/en\/service\/facade-refurbishment-mallorca\/\">fa\u00e7ade refurbishment<\/a> service. The specific solution must be defined from the property and the scope of the work.<\/p>\n<\/div>\n<style>\n.content-wysiwyg .sv-editorial{--sv-ink:#1d1d1b;--sv-blue:#7fa8ae;--sv-line:#cccac2;color:var(--sv-ink);overflow-wrap:anywhere}.content-wysiwyg .sv-editorial p{line-height:1.7}.content-wysiwyg .sv-byline{font-size:13px;color:#62635b}.content-wysiwyg .sv-answer{font-size:19px;line-height:1.55!important;padding-left:20px;border-left:3px solid var(--sv-blue)}.content-wysiwyg .sv-index{display:flex;flex-wrap:wrap;gap:8px 22px;padding:15px 0;border-block:1px solid var(--sv-line);margin:28px 0 42px;font-size:14px}.content-wysiwyg .sv-index a{padding:7px 0}.content-wysiwyg .sv-systems{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:28px 0 20px}.content-wysiwyg .sv-systems figure{margin:0!important;min-width:0}.content-wysiwyg .sv-systems h3{font-size:26px;margin:0 0 12px!important}.content-wysiwyg .sv-direction{display:flex;justify-content:space-between;font-size:10px!important;font-weight:600;letter-spacing:.09em;color:#405b60;margin:0 0 9px!important}.content-wysiwyg .sv-systems svg{display:block;width:100%;height:auto}.content-wysiwyg .sv-systems figcaption{text-align:left;font-style:normal;font-size:14px;color:#42443b;padding-top:12px;line-height:1.6}.content-wysiwyg .sv-systems ol{padding-left:23px;margin:0}.content-wysiwyg .sv-systems li{margin:6px 0}.content-wysiwyg .sv-caption{font-size:13px!important;color:#64655d;line-height:1.5!important}.content-wysiwyg .sv-compare{margin:25px 0}.content-wysiwyg .sv-compare section{padding:19px 0;border-bottom:1px solid var(--sv-line)}.content-wysiwyg .sv-compare h3{font-size:21px;margin:0 0 15px!important}.content-wysiwyg .sv-compare section>div{display:grid;grid-template-columns:1fr 1fr;gap:28px}.content-wysiwyg .sv-compare p{margin:0!important;font-size:15px}.content-wysiwyg .sv-compare p strong{display:block;color:#405b60;font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.content-wysiwyg .sv-budget{background:#deded5;padding:25px 28px;margin:25px 0}.content-wysiwyg .sv-label{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;color:#405b60}.content-wysiwyg .sv-budget p:last-child{margin-bottom:0}.content-wysiwyg .sv-questions{list-style:none;padding:0;counter-reset:sv-q}.content-wysiwyg .sv-questions li{counter-increment:sv-q;padding:16px 0 16px 43px;position:relative;line-height:1.6;border-bottom:1px solid var(--sv-line);margin:0}.content-wysiwyg .sv-questions li:before{content:counter(sv-q,decimal-leading-zero);position:absolute;left:0;top:19px;color:#405b60;font-size:12px;letter-spacing:.05em}.content-wysiwyg .sv-questions strong{display:block}.content-wysiwyg .sv-faq details{border-bottom:1px solid var(--sv-line);padding:0}.content-wysiwyg .sv-faq summary{cursor:pointer;padding:19px 24px 19px 0;font-weight:600;line-height:1.5}.content-wysiwyg .sv-faq details p{padding-bottom:15px;margin-top:0}.content-wysiwyg .sv-next{border-top:2px solid var(--sv-blue);margin-top:38px;padding-top:22px}.content-wysiwyg .sv-editorial :is(a,summary):focus-visible{outline:2px solid #405b60;outline-offset:4px}.content-wysiwyg .sv-editorial :is(h2,h3){scroll-margin-top:125px}.content-wysiwyg .sv-editorial h2{margin-top:46px}.content-wysiwyg .sv-editorial svg text{font-family:Arial,sans-serif}\n@media(max-width:600px){.content-wysiwyg .sv-answer{font-size:18px}.content-wysiwyg .sv-systems{grid-template-columns:1fr;gap:33px}.content-wysiwyg .sv-systems svg{max-height:310px}.content-wysiwyg .sv-compare section>div{gap:18px}.content-wysiwyg .sv-compare p{font-size:14px}.content-wysiwyg .sv-budget{padding:20px}.content-wysiwyg .sv-index{gap:5px 16px}.content-wysiwyg .sv-editorial h2{margin-top:36px}}\n<\/style>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BlogPosting\",\"@id\":\"https:\/\/tramuntanaprojects.com\/en\/thermal-insulation-etics\/ventilated-facade-or-etics\/#article\",\"mainEntityOfPage\":\"https:\/\/tramuntanaprojects.com\/en\/thermal-insulation-etics\/ventilated-facade-or-etics\/\",\"headline\":\"SATE or ventilated fa\u00e7ade: differences to help you choose wisely\",\"description\":\"Compare external insulation (ETICS\/SATE) and ventilated fa\u00e7ades with visual sections, construction criteria and useful questions to decide which solution may suit your building.\",\"inLanguage\":\"en\",\"author\":{\"@type\":\"Organization\",\"name\":\"Tramuntana Projects team\",\"url\":\"https:\/\/tramuntanaprojects.com\/en\/about-us\/\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Tramuntana Projects\",\"url\":\"https:\/\/tramuntanaprojects.com\/en\/\"},\"datePublished\":\"2026-09-24\",\"dateModified\":\"2026-09-30\",\"image\":\"https:\/\/tramuntanaprojects.com\/wp-content\/uploads\/2026\/09\/acabados-fachada-editorial.webp\"}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Compare external insulation (ETICS\/SATE) and ventilated fa\u00e7ades with visual sections, construction criteria and useful questions to decide which solution may suit your building.<\/p>\n","protected":false},"author":1,"featured_media":558,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[44],"tags":[],"class_list":["post-781","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thermal-insulation-etics"],"acf":[],"_links":{"self":[{"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/posts\/781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/comments?post=781"}],"version-history":[{"count":1,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/posts\/781\/revisions"}],"predecessor-version":[{"id":783,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/posts\/781\/revisions\/783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/media\/558"}],"wp:attachment":[{"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/media?parent=781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/categories?post=781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tramuntanaprojects.com\/en\/wp-json\/wp\/v2\/tags?post=781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}