{"id":29720,"date":"2025-09-12T07:45:37","date_gmt":"2025-09-12T07:45:37","guid":{"rendered":"https:\/\/penosil.com\/uk\/?p=29720"},"modified":"2025-09-16T06:12:15","modified_gmt":"2025-09-16T06:12:15","slug":"fire-resistant-sealing-trends-and-innovation","status":"publish","type":"post","link":"https:\/\/penosil.com\/uk\/fire-resistant-sealing-trends-and-innovation\/","title":{"rendered":"Fire-resistant sealing: trends and innovation"},"content":{"rendered":"\n<p>Fireproofing is a critical component of a building\u2019s construction and safety. Although no building material or product can be considered completely fireproof, using a combination of high-quality fire-resistant products when building or renovating a structure enhances its safety and resilience against the impact of fire.<\/p>\n\n\n\n<p>Due to ever-evolving fire safety regulations and the complexity of modern structures, the demand for effective fireproofing products has seen substantial growth in recent years. The <a href=\"https:\/\/penosil.com\/uk\/products\/application-areas\/fireproofing-high-temperature\/\" target=\"_blank\" rel=\"noreferrer noopener\">Penosil Fireproofing category<\/a> offers a diverse range of passive fire protection products such as PU foams, sealants and backer rods, each designed to address specific needs and applications.<\/p>\n\n\n\n<p>Some fireproofing products contain chemicals that raise environmental and health concerns. At Penosil, we have invested heavily in research and development to create new fire-resistant sealing products that meet rigorous environmental standards without compromising on performance. These low-VOC products are safe to use in both residential and commercial applications. As part of our <a href=\"https:\/\/penosil.com\/solutions-types\/fireproofing\/\">Fireproofing solution<\/a>, we are introducing three new sealants:<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Penosil FireStop Intumescent 680<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:15% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/penosil.com\/product\/firestop-intumescent-acrylic-681-fire-resistant-intumescent-sealant\/\"><img loading=\"lazy\" decoding=\"async\" width=\"387\" height=\"1080\" src=\"https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/05\/680_FireStop_Intumescent_680.png\" alt=\"PENOSIL FireStop Intumescent 680 intumecent acrylic sealant for fireproofing product image\" class=\"wp-image-26659 size-full\" srcset=\"https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/05\/680_FireStop_Intumescent_680.png 387w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/05\/680_FireStop_Intumescent_680-250x698.png 250w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/05\/680_FireStop_Intumescent_680-120x335.png 120w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/05\/680_FireStop_Intumescent_680-65x180.png 65w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/05\/680_FireStop_Intumescent_680-300x837.png 300w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p>An acrylic-based intumescent sealant specially designed for fireproofing interior joints and penetrations with moderate\u00a0movement capability (\u00b17.5%). This bright-white acrylic is suitable for a wide range of applications including sealing and filling joints in slabs, window- and door frames, and partition walls. When exposed to flames and high temperatures, the <a href=\"https:\/\/penosil.com\/uk\/product\/intumescent-acrylic-for-fireproofing-penosil-680\/\" target=\"_blank\" rel=\"noreferrer noopener\">FireStop Intumescent 680<\/a> expands, effectively sealing gaps and preventing the spread of smoke, hot gases, and flames.<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Main advantages of intumescent sealants 680:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tested according to EN 1366-3 and EN 1366-4<\/li>\n\n\n\n<li>Fire resistance rating of up to EI180: withstands fire up to 4 h in a penetration and linear joint (this rating is given based on the duration it would take for the fire to impact this sealant\u2019s structural abilities)<\/li>\n\n\n\n<li>Suitable for linear joints and penetrations<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Penosil FireStop Hybrid 720<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:15% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/penosil.com\/product\/hybrid-sealant-for-fireproofing\/\"><img loading=\"lazy\" decoding=\"async\" width=\"387\" height=\"1080\" src=\"https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/09\/720_FireStop_Hybrid_720.png\" alt=\"Penosil FireStop Hybrid 720 hybrid sealant for fireproofing product image\" class=\"wp-image-26977 size-full\" srcset=\"https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/09\/720_FireStop_Hybrid_720.png 387w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/09\/720_FireStop_Hybrid_720-250x698.png 250w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/09\/720_FireStop_Hybrid_720-120x335.png 120w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/09\/720_FireStop_Hybrid_720-65x180.png 65w, https:\/\/penosil.com\/uk\/wp-content\/uploads\/sites\/17\/2023\/09\/720_FireStop_Hybrid_720-300x837.png 300w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p>This hybrid polymer-based sealant is an ideal choice for sealing and filling moveable interior joints (\u00b125%) such as window and door joints, expansion and connection joints, concrete wall units and passive fire safety walls. Amongst other advantages it is worth to point out that <a href=\"https:\/\/penosil.com\/uk\/product\/firestop-hybrid-720-hybrid-sealant-for-fireproofing\/\" target=\"_blank\" rel=\"noreferrer noopener\">FireStop Hybrid 720<\/a> is non-corrosive to metal, fast curing and can be used even on damp surfaces. Due to its high elasticity, it provides a flexible fire-resistant barrier, preventing cracking and ensuring long-term durability and passive fire protection.<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\"><strong>Main advantages of hybrid sealant 720:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tested according to EN 1366-4<\/li>\n\n\n\n<li>Fire resistance rating of up to EI240: withstands fire up to 4 h in a linear joint<\/li>\n\n\n\n<li>Reaction to fire E in accordance with EN ISO 11925-2<\/li>\n\n\n\n<li>Suitable for vertical and horizontal joints &#8211; easy tooling<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Fireproofing sealants application instructions:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Before starting to work, make sure that surfaces to be sealed are clean, dry and free from any dust, loose particles, oil and old sealant residues.<\/li>\n\n\n\n<li>For clean finish, cover the adjacent surfaces with masking tape.<\/li>\n\n\n\n<li>In joints over 6 mm width, we recommend using a backer rod to ensure the joints correct thickness and shape.<\/li>\n\n\n\n<li>To guarantee the fire-resistant properties, the sealant layers thickness needs to be at least the minimum depth recommended at the product\u2019s Technical Data Sheet. The sealant layer\u2019s thickness is a critical factor in determining the effectiveness of the passive fire protection.<\/li>\n\n\n\n<li>Apply the sealant by keeping an even pressure at the gun trigger and smoothly dragging the nozzle along the joint. Then, remove the excess sealant and smoothen the surface with a suitable tool.<\/li>\n\n\n\n<li>Remove the masking tape immediately after tooling.<\/li>\n\n\n\n<li>During the curing process, make sure that the sealed surfaces stay clean and are not under mechanical stress.<\/li>\n\n\n\n<li>Due to the wide variety of construction materials, we always recommend doing preliminary compatibility test.<\/li>\n\n\n\n<li>Application temperature between +5\u00b0C and +40\u00b0C.<\/li>\n\n\n\n<li>Ensure records of all installations are kept.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Examples of intumescent and hybrid sealant&#8217;s fireproofing properties:<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\"><strong>Filling PVC pipe penetrations:<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/penosil.com\/solutions\/fireproofing-pvc-pipe-penetrations-with-pu-foam-and-acrylic-sealant\/\"><img decoding=\"async\" src=\"https:\/\/penosil.com\/wp-content\/uploads\/2024\/11\/2.2.-PVC-pipe-with-foam-and-682-penetration-O90-pipe-O32-700x700.jpg\" alt=\"\" class=\"wp-image-34241 size-full\"\/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<ol class=\"wp-block-list\">\n<li>Fill the opening around pipe penetration with <a href=\"https:\/\/penosil.com\/uk\/product\/fire-rated-gun-foam-penosil-b1-187\/\" target=\"_blank\" rel=\"noreferrer noopener\">Penosil Fire Rated Gunfoam B1&nbsp;187<\/a> or mineral wool.<\/li>\n\n\n\n<li>Cover the cured foam or mineral wool surface with <a href=\"https:\/\/penosil.com\/uk\/product\/intumescent-acrylic-for-fireproofing-penosil-680\/\" target=\"_blank\" rel=\"noreferrer noopener\">Penosil<\/a><a href=\"https:\/\/penosil.com\/uk\/product\/intumescent-acrylic-for-fireproofing-penosil-680\/\"> FireStop Intumescent 680<\/a>.<\/li>\n\n\n\n<li><strong>Fire resistance of the sealed penetration:<\/strong>\u00a0EI240 (tested with PVC pipe \u00d8 32mm, total penetration width 92 mm, sealant\u2019s depth 30 mm).<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\"><strong>Filling vertical joints:<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/penosil.com\/solutions\/fireproofing-filling-of-vertical-joints-with-special-pu-foam-and-silicone\/\"><img decoding=\"async\" src=\"https:\/\/penosil.com\/wp-content\/uploads\/2024\/11\/1.2.-Vertical-joint-with-foam-and-silicone-700x700.jpg\" alt=\"\" class=\"wp-image-34217 size-full\"\/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<ol class=\"wp-block-list\">\n<li>Fill the joint with<a href=\"https:\/\/penosil.com\/uk\/product\/fire-rated-gun-foam-penosil-b1-187\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Penosil Fire Rated Gunfoam B1&nbsp;187<\/a>.<\/li>\n\n\n\n<li>Cover the cured foam on both joint edges with <a href=\"https:\/\/penosil.com\/uk\/product\/firestop-hybrid-720-hybrid-sealant-for-fireproofing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Penosil FireStop Hybrid 720<\/a>.<\/li>\n\n\n\n<li><strong>Fire resistance of the sealed joint with FireStop Hybrid 720:<\/strong> EI240 (tested with joint width 60 mm, sealant\u2019s depth 30 mm).<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>While there are various fireproofing products available, Penosil new intumescent and hybrid fireproofing sealants stand out due to their numerous advantages: they are practically odourless and can be easily concealed beneath paint or other finishing materials without compromising their fire protection capabilities. These products are also safe to use, provide good thermal insulation and have excellent adhesion on many materials such as concrete, brick, tile, ceramics, different metals, wood, glass, PVC.<\/p>\n\n\n\n<p>All Penosil fireproofing sealants have undergone third-party testing and certification for fire resistance performance. In addition, depending on the projects scale, these sealants are all available in a handy 300ml cartridge as well as economical 400 ml and 600ml foil packages.<\/p>\n\n\n\n<p>To conclude, the final choice of fireproofing sealant depends on various factors such as the type of structure, exposure conditions, and fire resistance requirements of the specific application. To find out more about our advanced <a href=\"https:\/\/penosil.com\/uk\/products\/application-areas\/fireproofing-high-temperature\/\" target=\"_blank\" rel=\"noreferrer noopener\">fireproofing products<\/a> and <a href=\"https:\/\/penosil.com\/solutions-types\/fireproofing\/\">solutions<\/a> visit our website at <a href=\"https:\/\/penosil.com\/uk\/\" target=\"_blank\" rel=\"noreferrer noopener\">penosil.com<\/a>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"Fireproofing is a critical component of a building\u2019s construction and safety. Although no building material or product can be considered completely fireproof, using a combination of high-quality fire-resistant products when building or renovating a structure enhances its safety and resilience against the impact of fire. Due to ever-evolving fire safety regulations and the complexity of [&hellip;]","protected":false},"author":466,"featured_media":29725,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-29720","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fire-resistant sealing: trends and innovation - Penosil United Kingdom<\/title>\n<meta name=\"description\" content=\"The Penosil Fireproofing category offers a diverse range of fire-resistant sealing products. 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