{"id":23718,"date":"2026-07-22T13:51:21","date_gmt":"2026-07-22T13:51:21","guid":{"rendered":"https:\/\/www.arcan-waterproofing.com\/?p=23718"},"modified":"2026-07-22T13:51:21","modified_gmt":"2026-07-22T13:51:21","slug":"hydrobloc-integral-575-1c-non-foaming-pu-injection-resin","status":"publish","type":"post","link":"https:\/\/www.arcan-waterproofing.com\/bauwerksabdichtung\/hydrobloc-integral-575-1c-non-foaming-pu-injection-resin\/","title":{"rendered":"HydroBloc Integral 575 \u2013 1C Non-Foaming PU Injection Resin"},"content":{"rendered":"<article>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Why Choosing the Right Injection Resin Matters<\/h2>\n<p>Cracks in concrete, leaking construction joints, water-bearing honeycombs or injection hoses that need to be injected: water ingress can have many different causes. The range of available injection materials is correspondingly broad. In practice, this often raises one crucial question: which resin is right for the job?<\/p>\n<p>Understandably, many applicators rely on the product they already know. While this may initially provide a sense of security, it is not always the best technical or economical solution. A resin that reacts too quickly limits penetration depth, as does a resin that exhibits side reactions such as foaming upon contact with water. Foam resins stop water temporarily, but their porous structure means that they do not provide a permanently watertight seal. Even an elastic resin can accommodate movement only within the limits of its specific properties.<\/p>\n<p>HydroBloc\u00ae Integral 575 was developed as a versatile injection resin for the majority of typical waterproofing tasks. It combines simple application with moisture-adaptive reaction behaviour and a permanently elastic, swellable structure. As a result, one product can be used for up to 80% of common waterproofing applications.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">What Is HydroBloc\u00ae Integral 575?<\/h2>\n<p>HydroBloc\u00ae Integral 575 is a ready-to-use, one-component, hydrophilic polyurethane injection resin. It reacts with moisture but does not form a foam. Instead of producing a porous foam structure, it cures to form a homogeneous, elastic and non-porous material.<\/p>\n<p>The resin is particularly suitable for:<\/p>\n<ul>\n<li>crack injection<\/li>\n<li>construction joints<\/li>\n<li>honeycombs and voids<\/li>\n<li>injection hoses<\/li>\n<li>stopping water ingress<\/li>\n<\/ul>\n<p>Its key strength does not lie in one single property, but in the interaction of several functions. HydroBloc\u00ae Integral 575 adapts its reaction to the available moisture, penetrates deeply into cracks and voids under suitable conditions, and can respond to water again after curing. This is the principle of DPI \u2013 Deep Penetrating Injection \u2013 which seals the entire path from the point of injection to the point of water ingress.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Hydrophilic \u2013 but Non-Foaming<\/h2>\n<p>Water-reactive polyurethane resins are often automatically associated with PU foam. HydroBloc\u00ae Integral 575 works differently. Although the resin is hydrophilic and therefore has a strong affinity for water, it does not foam during the reaction.<\/p>\n<p>This distinction is crucial to the quality of the waterproofing result. Foams consist of numerous cells and pores. They are especially useful for rapidly stopping water, but they do not provide the same homogeneous structure as a compact injection material in every application.<\/p>\n<p>After reacting, Integral 575 forms a uniform, elastic mass. Voids are not merely filled with foam; they are sealed with a homogeneous material. This provides a compact and durable waterproofing solution.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-23688 size-full\" src=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Hydrophilic-no-foam.jpg\" alt=\"EN-Hydrophilic-no-foam\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Hydrophilic-no-foam.jpg 1000w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Hydrophilic-no-foam-300x169.jpg 300w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Hydrophilic-no-foam-768x432.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Adaptive Reaction Behaviour: A Resin That Responds to Site Conditions<\/h2>\n<p>Moisture is rarely distributed evenly throughout a structure. One section of a crack may be carrying running water, while another section only a few centimetres away is merely damp. Conventional resins often react at almost the same speed under both conditions.<\/p>\n<p>HydroBloc\u00ae Integral 575, however, has an adaptive reaction profile:<\/p>\n<ul>\n<li>In contact with larger amounts of water, the resin reacts more quickly.<\/li>\n<li>Where less moisture is present, it reacts more slowly.<\/li>\n<\/ul>\n<p>As moisture is always present within the structure, reliable reaction of the resin is guaranteed.<\/p>\n<p>The reaction therefore adapts to the actual conditions within the structure. This is particularly beneficial in components with uneven moisture distribution: where more water is present, the resin reacts more quickly; where less moisture is present, it reacts more slowly.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Reversible Swelling of up to 120%: Waterproofing That Can Adapt<\/h2>\n<p>Concrete structures are not completely static systems. Temperature fluctuations, settlement, load changes and other influences can cause minor movement. Even a successfully injected crack may therefore change slightly over time and lead to renewed leakage.<\/p>\n<p>After curing, HydroBloc\u00ae Integral 575 remains elastic and can increase its volume by up to 120% when it comes into renewed contact with water. This swelling process is reversible: when the moisture level decreases, the material contracts again. If water returns at a later stage, the resin can react and swell again.<\/p>\n<p>This property helps the waterproofing system respond to minor subsequent changes in the crack or void structure. The resin therefore does more than react during the initial injection; it retains an adaptive function after curing.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-23680 size-full\" src=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-1-bild.jpg\" alt=\"\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-1-bild.jpg 1000w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-1-bild-300x169.jpg 300w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-1-bild-768x432.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br \/>\n<img decoding=\"async\" class=\"aligncenter wp-image-23681 size-full\" src=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-bild-2.jpg\" alt=\"EN-Reversible-bild-2\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-bild-2.jpg 1000w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-bild-2-300x169.jpg 300w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-bild-2-768x432.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-23682 size-full\" src=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-letztes-Bild.jpg\" alt=\"EN-Reversible-letztes-Bild\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-letztes-Bild.jpg 1000w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-letztes-Bild-300x169.jpg 300w, https:\/\/www.arcan-waterproofing.com\/wp-content\/uploads\/2026\/07\/EN-Reversible-letztes-Bild-768x432.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Typical Applications for HydroBloc\u00ae Integral 575<\/h2>\n<h3>Crack Injection<\/h3>\n<p>Cracks can form pathways for water through concrete structures and may eventually affect the reinforcement and the serviceability of the structure. Integral 575 spreads throughout the crack, reacts with the available moisture and cures to form an elastic, homogeneous injection body.<\/p>\n<h3>Sealing Construction Joints<\/h3>\n<p>Construction joints are among the typical weak points in water-exposed concrete structures. Defects or inadequately sealed areas can be treated by targeted injection. The adaptive reaction behaviour is particularly useful because moisture may be distributed unevenly within the joint.<\/p>\n<h3>Injecting Honeycombs<\/h3>\n<p>Honeycombs occur when concrete is not fully compacted during placement or when its components segregate. Voids remain between the coarse aggregates and can allow water to penetrate the structure. HydroBloc\u00ae Integral 575 can spread through these voids and seal them permanently and elastically without forming a disruptive foam structure that could lead to renewed leakage over time.<\/p>\n<h3>Injection of Injection Hoses<\/h3>\n<p>Integral 575 is also suitable for injecting compatible injection hose systems. The one-component resin simplifies application because two components do not need to be mixed in the correct ratio on site. The fact that Integral 575 does not produce unwanted side reactions such as foaming makes it an ideal material for injecting injection hoses.<\/p>\n<h3>Stopping Water without Foam<\/h3>\n<p>Where water is entering the structure, the available moisture accelerates the reaction. Integral 575 can therefore also be used to stop water directly, without forming the porous structure typical of conventional PU foams. The second injection with a compact material normally recommended after a foam injection is not necessary when Integral 575 is used, because the cured material is already homogeneous.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">One-Component and Ready to Use<\/h2>\n<p>In addition to its technical properties, practical handling is an important consideration. HydroBloc\u00ae Integral 575 is supplied as a ready-to-use, one-component resin. This eliminates the risk of errors when mixing A and B components. Remaining material can also be managed more efficiently because it does not necessarily have to be used immediately.<\/p>\n<p>For applicators and specialist contractors, this offers several advantages:<\/p>\n<ul>\n<li>fewer products for different standard applications<\/li>\n<li>simpler stock management and site logistics<\/li>\n<li>no two-component mixing ratio<\/li>\n<li>no possibility of mixing errors<\/li>\n<li>flexible use under changing moisture conditions<\/li>\n<\/ul>\n<p>However, a versatile resin does not replace a professional assessment. The type and width of the crack, water flow, component temperature, accessibility and objective of the injection must be evaluated before every application.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">What Are the Application Limits?<\/h2>\n<p>\u201cFor 80% of waterproofing applications\u201d does not mean that one resin can solve every problem. Special applications still require systems specifically designed for their purpose.<\/p>\n<p>HydroBloc\u00ae Integral 575 is not the preferred solution for applications such as:<\/p>\n<ul>\n<li>expansion and movement joints subject to substantial designed movement<\/li>\n<li>curtain injection behind the structure<\/li>\n<li>horizontal barriers against rising damp<\/li>\n<\/ul>\n<p>Other injection materials and methods are available for these applications, including fast-reacting injection rubber, acrylate gels and dedicated horizontal damp-proofing systems. The correct product selection must always be based on the cause of the water ingress and the physical conditions of the structure.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Conclusion: Versatility Backed by Technical Performance<\/h2>\n<p>HydroBloc\u00ae Integral 575 covers a large proportion of everyday structural waterproofing tasks with a single product. The hydrophilic, non-foaming, one-component PU resin combines adaptive reaction behaviour with a homogeneous, permanently elastic structure and reversible swelling of up to 120%.<\/p>\n<p>For specialist contractors, this means fewer product changes, simpler stock management and greater flexibility under varying site conditions. A professional assessment of the damage nevertheless remains essential. Successful and durable injection does not begin with the pump; it begins with the correct diagnosis and the right choice of material.<\/p>\n<\/section>\n<section>\n<h2 style=\"color: #1a88c5; font-weight: bold; font-family: inherit;\">Unsure Which Product Is Right for Your Application?<\/h2>\n<p>ARCAN can support you in assessing your waterproofing task and selecting the appropriate injection system. Send us information about the structure, the type of leakage and the level of water exposure. Together, we will develop a technically suitable solution.<\/p>\n<p><strong>Further information:<\/strong> <a href=\"https:\/\/www.arcan.biz\">www.arcan.biz<\/a> | <a href=\"mailto:office@arcan.biz\">office@arcan.biz<\/a><\/p>\n<\/section>\n<\/article>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why Choosing the Right Injection Resin Matters Cracks in concrete, leaking construction joints, water-bearing honeycombs or injection hoses that need to be injected: water ingress can have many different causes. The range of available injection materials is correspondingly broad. In practice, this often raises one crucial question: which resin is right for the job? Understandably, [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":23692,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[411],"tags":[737,738],"class_list":["post-23718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-hydrobloc","tag-integral-575"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HydroBloc Integral 575: Injection Resin for Cracks, Joints and Honeycombs<\/title>\n<meta name=\"description\" content=\"HydroBloc Integral 575 is a ready-to-use, hydrophilic PU injection resin that swells adaptively to seal cracks, joints, honeycombs and water ingress\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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