{"id":876,"date":"2026-06-29T14:07:33","date_gmt":"2026-06-29T12:07:33","guid":{"rendered":"https:\/\/lbtherm.com\/en\/?p=876"},"modified":"2026-06-29T14:07:34","modified_gmt":"2026-06-29T12:07:34","slug":"hpl-gfk-pvc-aluminium-or-steel-how-to-choose-the-right-facing-for-a-sandwich-panel","status":"publish","type":"post","link":"https:\/\/lbtherm.com\/en\/hpl-gfk-pvc-aluminium-or-steel-how-to-choose-the-right-facing-for-a-sandwich-panel\/","title":{"rendered":"HPL, GFK, PVC, Aluminium or Steel \u2013 How to Choose the Right Facing for a Sandwich Panel?"},"content":{"rendered":"\n<p>When designing a sandwich panel, it is easy to focus on the core thickness or thermal insulation performance. However, the choice of facing material has an equally significant impact on the durability, functionality and long-term performance of the finished product.<\/p>\n\n\n\n<p>There is no single material that is the best choice for every application. The same sandwich panel can be used as an entrance door infill, a cold room component, a transport body panel or part of an HVAC system. Each of these applications places different demands on the material.<\/p>\n\n\n\n<p>That is why selecting the right facing should begin with one simple question: Under what conditions will the finished product operate?<\/p>\n\n\n\n<p><strong>What Should You Consider Before Choosing a Facing Material?<\/strong><\/p>\n\n\n\n<p>The selection of a facing material should primarily be based on the operating environment. Before making a decision, it is worth considering the following questions:<\/p>\n\n\n\n<p>Will the panel be used indoors or outdoors?<\/p>\n\n\n\n<p>Will it be exposed to UV radiation?<\/p>\n\n\n\n<p>Will it operate in a high-humidity environment?<\/p>\n\n\n\n<p>Is resistance to mechanical damage important?<\/p>\n\n\n\n<p>Is low weight a priority?<\/p>\n\n\n\n<p>Will the surface require frequent cleaning?<\/p>\n\n\n\n<p>Does the facing also need to provide an attractive appearance?<\/p>\n\n\n\n<p>Answering these questions helps narrow down the most suitable material for the application.<\/p>\n\n\n\n<p><strong>HPL \u2013 When Durability and Appearance Matter<\/strong><\/p>\n\n\n\n<p>HPL facings are commonly selected for applications where the surface remains visible for many years while being exposed to intensive daily use.<\/p>\n\n\n\n<p>Their main advantages include excellent scratch resistance, weather resistance and UV stability. Combined with a wide range of decorative finishes, HPL is an ideal solution wherever aesthetics are just as important as technical performance.<\/p>\n\n\n\n<p><strong>Typical applications include:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>entrance doors,<\/li>\n\n\n\n<li>architectural elements.<\/li>\n<\/ul>\n\n\n\n<p><strong>GFK \u2013 Designed for Demanding Environments<\/strong><\/p>\n\n\n\n<p>GFK (GFRP\/FRP) facings perform exceptionally well in environments with high humidity and wherever materials are exposed to intensive use.<\/p>\n\n\n\n<p>They offer excellent corrosion resistance, low weight and high rigidity. These properties make them a popular choice for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cold rooms and freezer rooms,<\/li>\n\n\n\n<li>refrigerated transport bodies,<\/li>\n\n\n\n<li>technical enclosures,<\/li>\n\n\n\n<li>industrial applications.<\/li>\n<\/ul>\n\n\n\n<p>For applications where hygiene is particularly important, LB THERM&#8217;s sandwich panels with GFK facings are additionally certified with a PZH Hygienic Certificate.<\/p>\n\n\n\n<p><strong>PVC \u2013 A Practical Solution for Many Applications<\/strong><\/p>\n\n\n\n<p>PVC is often associated with its attractive price-to-performance ratio, but its advantages extend far beyond cost efficiency.<\/p>\n\n\n\n<p>It performs well in humid environments, is easy to clean and offers excellent workability.<\/p>\n\n\n\n<p><strong>Typical applications include:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>door panels,<\/li>\n\n\n\n<li>lightweight technical enclosures,<\/li>\n\n\n\n<li>refrigeration,<\/li>\n\n\n\n<li>insulation systems.<\/li>\n\n\n\n<li>\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Like our GFK panels, LB THERM sandwich panels with PVC facings are also certified with a <strong>PZH Hygienic Certificate<\/strong>, making them suitable for demanding hygienic environments.<\/p>\n\n\n\n<p><strong>Aluminium \u2013 Lightweight and Corrosion Resistant<\/strong><\/p>\n\n\n\n<p>Aluminium is typically selected wherever low weight and corrosion resistance are key design requirements.<\/p>\n\n\n\n<p>Its modern appearance and excellent durability make aluminium facings suitable for applications such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HVAC systems,<\/li>\n\n\n\n<li>entrance doors,<\/li>\n\n\n\n<li>refrigeration,<\/li>\n\n\n\n<li>industrial enclosures.<\/li>\n<\/ul>\n\n\n\n<p><strong>Steel \u2013 Maximum Mechanical Strength<\/strong><\/p>\n\n\n\n<p>When mechanical strength is the highest priority, steel remains one of the preferred facing materials.<\/p>\n\n\n\n<p>Steel-faced sandwich panels are widely used in industrial buildings, warehouses and cold storage facilities, where components are exposed to intensive daily use.<\/p>\n\n\n\n<p>Their key advantages include high impact resistance and the ability to withstand demanding operating conditions.<\/p>\n\n\n\n<p>The Facing Material Is Only Part of the Equation<\/p>\n\n\n\n<p>Choosing the right facing is important, but it is only one factor influencing the overall quality of a sandwich panel.<\/p>\n\n\n\n<p><strong>Long-term performance also depends on:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the type of insulating core,<\/li>\n\n\n\n<li>the bonding technology,<\/li>\n\n\n\n<li>the quality of the raw materials,<\/li>\n\n\n\n<li>production process control,<\/li>\n\n\n\n<li>manufacturing consistency.<\/li>\n<\/ul>\n\n\n\n<p>This explains why two sandwich panels made from seemingly identical materials may perform very differently after several years of service.<\/p>\n\n\n\n<p><strong>How Do You Choose the Right Facing?<\/strong><\/p>\n\n\n\n<p>There is no universal material suitable for every application.<\/p>\n\n\n\n<p>HPL is an excellent choice where durability and appearance are priorities. GFK is ideal for humid environments requiring outstanding corrosion resistance. PVC offers an excellent combination of hygiene, easy maintenance and workability. Aluminium helps reduce weight while maintaining corrosion resistance, whereas steel provides superior mechanical strength.<\/p>\n\n\n\n<p>For this reason, selecting the right sandwich panel should begin with analysing the conditions in which the finished product will operate. Only then can the facing material be chosen to provide the best performance for the specific application.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When designing a sandwich panel, it is easy to focus on the core thickness or thermal insulation performance. However, the choice of facing material has an equally significant impact on the durability, functionality and long-term performance of the finished product. There is no single material that is the best choice for every application. The same [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":875,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/posts\/876","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/comments?post=876"}],"version-history":[{"count":2,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/posts\/876\/revisions"}],"predecessor-version":[{"id":880,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/posts\/876\/revisions\/880"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/media\/875"}],"wp:attachment":[{"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/media?parent=876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/categories?post=876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbtherm.com\/en\/wp-json\/wp\/v2\/tags?post=876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}