{"title":"Insulated Steel Doors","description":"\u003cp\u003eInsulated \u003ca href=\"\/collections\/steel-doors\"\u003esteel doors\u003c\/a\u003e are engineered to improve thermal performance while maintaining the strength and durability of a steel door set. Our range includes standard insulated options as well as \u003cstrong\u003ethermally rated and thermally \u003ca href=\"\/collections\/fire-rated-steel-doors\"\u003efire rated steel doors\u003c\/a\u003e\u003c\/strong\u003e, achieving \u003cstrong\u003eU-values as low as 1.5 W\/m²K\u003c\/strong\u003e for enhanced energy efficiency.\u003c\/p\u003e\n\u003cp\u003eAs a leading UK manufacturer, we offer fast quotes, expert advice, and reliable installation to help you specify the right insulated steel door system with confidence.\u003c\/p\u003e\n\u003cp\u003eCall \u003cstrong\u003e0800 046 6380\u003c\/strong\u003e or request a \u003cstrong\u003efree quote today\u003c\/strong\u003e for secure, energy efficient steel door solutions.\u003c\/p\u003e","products":[{"product_id":"acoustic-steel-doors","title":"Acoustic Steel Doors","description":"\u003cp\u003eOur \u003cstrong\u003eAcoustic \u003ca href=\"\/collections\/steel-doors\"\u003eSteel Doors\u003c\/a\u003e\u003c\/strong\u003e are designed to provide effective sound reduction while maintaining durability, thermal efficiency, and security. Manufactured with a \u003cstrong\u003eRockwool insulated core,\u003c\/strong\u003e these doors deliver excellent acoustic performance of up to \u003cstrong\u003e39dB sound reduction\u003c\/strong\u003e, making them ideal for environments where noise control is critical, such as plant rooms, offices, \u003ca href=\"\/collections\/education-sector\"\u003eschools\u003c\/a\u003e, and commercial buildings. Built from robust steel construction, they offer a reliable and long-lasting solution for both internal and external applications.\u003c\/p\u003e\n\u003cp\u003eIn addition to acoustic performance, these doors are engineered to meet modern energy efficiency standards, achieving \u003cstrong\u003eU-values as low as 1.5 W\/m²K\u003c\/strong\u003e in line with \u003cstrong\u003ePart L of the \u003ca href=\"\/pages\/building-regulations-part-0\"\u003eBuilding Regulations\u003c\/a\u003e.\u003c\/strong\u003e They are available in both single and double door configurations, with thermal transmittance values as low as \u003cstrong\u003e1.6 W\/m²K (single)\u003c\/strong\u003e and \u003cstrong\u003e1.5 W\/m²K (double)\u003c\/strong\u003e. For applications requiring fire protection, fire-rated options are available up to \u003cstrong\u003eE60,\u003c\/strong\u003e combining acoustic, thermal, and fire performance in a single door set. Fire-rated versions are \u003cstrong\u003eCE marked to BS EN 14351-1 and EN 1634 standards\u003c\/strong\u003e, with acoustic ratings up to 36dB.\u003c\/p\u003e\n\u003cp\u003eEach acoustic steel door is manufactured to your exact specification, with a wide range of customisation options available. These include \u003cstrong\u003evision panels, louvre panels, various hardware options, and PAS24 security upgrades\u003c\/strong\u003e, allowing the door to be tailored to both functional and compliance requirements. With low \u003ca href=\"\/pages\/maintenance\"\u003emaintenance\u003c\/a\u003e requirements, strong construction, and multi-performance capabilities, acoustic steel doors provide a versatile and high-performance solution for noise-sensitive environments.\u003c\/p\u003e","brand":"Security Direct Products","offers":[{"title":"Default Title","offer_id":52673768751442,"sku":"SD-Personnel","price":2754.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/3153\/1090\/files\/acoustic_steel_door_closed.png?v=1780924949"},{"product_id":"pas24-steel-doors","title":"PAS24 Steel Doors","description":"\u003cp\u003eOur \u003cstrong\u003e\u003ca href=\"\/collections\/pas24\"\u003ePAS24 Steel Doors\u003c\/a\u003e\u003c\/strong\u003e are designed to provide a high level of security for buildings where protection against unauthorised access is essential. Tested to \u003cstrong\u003ePAS24 standards\u003c\/strong\u003e and suitable for Secured by Design applications, these doors are ideal for commercial, residential, and \u003ca href=\"\/pages\/public-sector\"\u003epublic sector\u003c\/a\u003e environments. Manufactured from robust steel construction, they offer a reliable and durable solution for both internal and external access points.\u003c\/p\u003e\n\u003cp\u003eIn addition to their security performance, PAS24 \u003ca href=\"\/collections\/steel-doors\"\u003esteel doors\u003c\/a\u003e can be specified with a range of enhanced features to suit project requirements. They are available with \u003cstrong\u003eacoustic ratings of up to 39dB\u003c\/strong\u003e, helping to reduce noise transfer in busy or sensitive environments. For applications requiring fire protection, these doors can also be \u003cstrong\u003efire rated to BS EN 1634-1 (internal use)\u003c\/strong\u003e, combining security and safety in a single door solution. Insulated core options are available, achieving \u003cstrong\u003eU-values as low as 1.5 W\/m²K\u003c\/strong\u003e, improving thermal efficiency.\u003c\/p\u003e\n\u003cp\u003eEach door is manufactured to your exact specification, with a wide range of customisation options available. Features such as \u003cstrong\u003eglazed vision panels, louvre panels, and manual or electronic locking systems\u003c\/strong\u003e allow the doors to be tailored to both functional and aesthetic requirements. With strong construction, low \u003ca href=\"\/pages\/maintenance\"\u003emaintenance\u003c\/a\u003e, and long-term performance, PAS24 steel doors provide a secure, compliant, and versatile solution for modern building applications.\u003c\/p\u003e","brand":"Security Direct Products","offers":[{"title":"Default Title","offer_id":52673768849746,"sku":"pas24-steeldoor","price":910.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/3153\/1090\/files\/pas_24_door_2.png?v=1780924968"},{"product_id":"slimline-fully-glazed-security-rated-doors","title":"Fully Glazed Door Systems","description":"\u003cp\u003eOur \u003cstrong\u003eFully Glazed Door Systems \u003c\/strong\u003eprovide a modern, high-performance solution that combines security, fire protection, and thermal efficiency with a sleek architectural finish. Designed with slimline steel or aluminium framing and large glazed panels, these doors maximise natural light while maintaining strong structural integrity. Ideal for commercial offices, retail environments, public buildings, and high-end residential projects, they deliver both functionality and contemporary design.\u003c\/p\u003e\n\u003cp\u003eAvailable in multiple performance specifications, these systems can be configured to meet a wide range of project requirements. \u003cstrong\u003eSecurity-rated options \u003c\/strong\u003eprovide enhanced protection against unauthorised access, while \u003cstrong\u003efire-rated versions\u003c\/strong\u003e are tested to meet industry standards for fire resistance, helping to contain fire and protect escape routes. For energy-conscious projects, \u003cstrong\u003ethermally insulated options\u003c\/strong\u003e offer improved U-values, helping to reduce heat loss and improve overall building efficiency.\u003c\/p\u003e\n\u003cp\u003eEach fully \u003ca href=\"\/collections\/glazed-steel-door-systems\"\u003eglazed door system\u003c\/a\u003e is manufactured to your exact specification, with a variety of configurations, glazing types, and hardware options available. From single and double doors to larger glazed screens, these systems can be tailored to suit both functional and aesthetic requirements. With options for different finishes, ironmongery, and performance upgrades, fully glazed door systems provide a versatile, compliant, and visually striking solution for modern building design.\u003c\/p\u003e","brand":"Security Direct Products","offers":[{"title":"Default Title","offer_id":52673769177426,"sku":"SL-SR","price":1495.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/3153\/1090\/files\/glazed_door_system_1.png?v=1780925009"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/3153\/1090\/collections\/Insulated_Steel_Door_5ad95b17-1afc-4525-b804-5b90450a7c0a.png?v=1781079752","url":"https:\/\/securitydirectuk.com\/collections\/insulated-steel-door-systems.oembed","provider":"Security Direct","version":"1.0","type":"link"}