{"id":34042,"date":"2026-08-17T09:00:00","date_gmt":"2026-08-17T07:00:00","guid":{"rendered":"https:\/\/desarrollo.ypsossafety.com\/types-of-anchors-for-lifelines\/"},"modified":"2026-10-29T23:26:21","modified_gmt":"2026-10-29T22:26:21","slug":"types-of-anchors-for-lifelines","status":"publish","type":"post","link":"https:\/\/ypsossafety.com\/en\/types-of-anchors-for-lifelines\/","title":{"rendered":"Types of Anchors for Lifelines"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/ypsossafety.com\/linea-de-vida\/\">lifeline<\/a> almost never fails. What fails is the substrate it is anchored to. In a fall arrest system, the entire arresting load ends up on the anchor point, and that point only holds if the substrate it is fixed to is adequate. It makes no difference that the system is tested to 12 kN if the sheet metal you bolted it to tears at 3.<\/p>\n\n<p class=\"wp-block-paragraph\">This guide explains what an anchor point is, how anchor points are classified, and, most importantly, how to choose the right one for each surface.<\/p>\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-background has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/ypsossafety.com\/contacto-ypsos\/\" style=\"background-color:#ff7514\">Contact us for more information<\/a><\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\"><strong>What an Anchor Point Is and What It Does<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">An anchor point is the element that connects the fall arrest system to the building structure and transmits to that structure the force generated in a fall. It is not a screw or a ring bolt: it is a tested and certified component, with a calculated strength and specific installation conditions.<\/p>\n\n<p class=\"wp-block-paragraph\">These components serve a dual purpose: on the one hand, anchoring the system in normal use and, on the other, withstanding the peak load generated at the instant of the fall, which is far greater than the worker&#8217;s weight. In a fall, the energy absorber limits the force transmitted to the body to a maximum of 6 kN, but the force reaching the anchor can be considerably higher depending on the system configuration.<\/p>\n\n<p class=\"wp-block-paragraph\">That is why an anchor is not something to improvise with whatever is on site. A beam that &#8220;looks strong&#8221; is not an anchor point until someone has verified that it is.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Type A Anchors: Where They Fit Within UNE-EN 795<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">The UNE-EN 795 standard classifies five types of anchors, from A to E, according to how they are used. The roof, deck, beam, and load-bearing structure anchors we discuss in this post are all <strong>type A<\/strong>: fixed devices intended to remain permanently installed on the structure. Within this class there are two variants: <strong>A1<\/strong>, for vertical, horizontal, or sloped surfaces (concrete, sheet metal, metal profile), and <strong>A2<\/strong>, specific to pitched roofs. They are different from type B (temporary, portable anchors), C (flexible horizontal lines), D (rigid rails), or E (free-standing anchors). The main difference between these anchors is the way they are used depending on the configuration of the safety system, and they cannot be interchanged or mixed with one another.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Difference Between a Lifeline and an Anchor Line<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">They are sometimes used as synonyms, but they are not. The confusion comes from the fact that the regulations speak of one thing and the job site of another.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>The anchor line<\/strong> is the load-bearing element: the steel cable, rigid rail, webbing, or rope along which the user travels. It is a component.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>The lifeline<\/strong> is the complete system: the anchor line plus the end and intermediate anchor points, the energy absorber, the tensioner, and the connecting device. These are the <a href=\"https:\/\/ypsossafety.com\/elementos-que-componen-una-linea-de-vida\/\">lifeline components<\/a> that are certified and tested as a set, not separately.<\/p>\n\n<p class=\"wp-block-paragraph\">The distinction is not academic. When you order &#8220;an anchor line&#8221; and they deliver only a cable, you have a cable. When you order a lifeline, you have a system with a test certificate in accordance with the standard, a manual, and a technical data sheet.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Anchors According to Where They Are Fixed<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">The useful classification criterion is not the anchor material. It is the substrate it is fixed to, because all the calculations start from there.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Lifeline Anchor on a Roof or Deck<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Each surface has its own fastening, and they are not interchangeable:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Concrete or parapet.<\/strong> The strongest substrate at first glance. Mechanical or chemical anchor depending on the condition of the concrete, with verification of the substrate strength before fixing. Beware of brick or block parapets, which are not structural concrete even though they look like it.<\/li>\n\n\n\n<li><strong>Trapezoidal metal sheet.<\/strong> The anchor is screwed to the upper crest with self-drilling fasteners or a high-strength rivet and a load-spreading plate sized according to the sheet thickness and rib pitch. It spreads the load over several ribs: a point fixing tears the sheet. Here special attention must be paid to the thickness of the sheet where we are going to install. For thicknesses under 8 mm, we may need to add reinforcement at each plate, increasing the plate-to-sheet contact area or increasing the number of anchors.<\/li>\n\n\n\n<li><strong>Sandwich panel.<\/strong> The insulation in between bears no load. The fixing must reach the lower load-bearing sheet or the structure.<\/li>\n\n\n\n<li><strong>Deck roof.<\/strong> The anchor passes through the insulation and waterproofing by means of a through-sleeve down to the metal deck, with a watertight membrane seal. Drilling is unavoidable; compromising watertightness is not. For that reason, with this type of roof it is very important to study the system to be used beforehand to avoid water leakage problems.<\/li>\n\n\n\n<li><strong>Fiber cement.<\/strong> The sheet cannot take a point load under any circumstances. The anchor passes through it and is fixed to the metal purlin underneath. It is important to note that work on this type of roof must be carried out by accredited, specialized companies.<\/li>\n\n\n\n<li><strong>Pitched tile or slate roof.<\/strong> The anchor is fixed to the load-bearing structure under the finish (rafter, purlin, slab) and never bears on the tile. The slope also changes the fall trajectory and the load reaching the anchor.<\/li>\n\n\n\n<li><strong>Counterweighted or ballasted.<\/strong> It does not penetrate: it works by its own weight. Valid on roofs with a limited slope and sufficient load capacity. It is not suitable when the insulation package is soft. In this case, special attention must be paid to the maximum weight allowed per m\u00b2 on the roof where we are going to install the ballast.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\"><strong>Anchor on a Beam or Load-Bearing Structure<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">When there is accessible metal structure, it is the best place to anchor: the load goes directly to the element that can receive it.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Beam clamp.<\/strong> It does not pierce the profile and is reversible. Useful in temporary systems and in buildings with exposed structure.<\/li>\n\n\n\n<li><strong>Plate bolted or welded to a profile.<\/strong> A permanent solution. Welding requires a qualified procedure and is not improvised on a roof.<\/li>\n\n\n\n<li><strong>Through-bolt anchor.<\/strong> It passes through the flange of the profile with fasteners and a backing plate.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">In every case there is a prior step that cannot be skipped: verifying that the profile can take the point load at the chosen location. A profile sized for distributed load will not necessarily withstand an arrest jolt at the center of the span. That check is the responsibility of the design or the competent technician, not the manufacturer&#8217;s catalog.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>End, Intermediate, and Tensioning Anchors<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Within the same system, not all anchors do the same thing:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>End anchor.<\/strong> It closes the line on each side and receives practically the entire arresting load. It is the most heavily stressed and the one that demands the most strength from the substrate.<\/li>\n\n\n\n<li><strong>Intermediate anchor.<\/strong> It supports the line along its run and limits sag. Its function is both structural and geometric: the shorter the span between intermediates, the lower the deformation under load and the shorter the fall distance. They must allow the trolley to pass continuously without disconnection.<\/li>\n\n\n\n<li><strong>Curve or corner anchor.<\/strong> It absorbs the change of direction in the layout, with a load distribution different from that of a straight intermediate.<\/li>\n\n\n\n<li><strong>Tensioner.<\/strong> It is not an anchor, but it affects all of them: it sets the installation tension of the <a href=\"https:\/\/ypsossafety.com\/linea-de-vida-horizontal\/\">horizontal lifeline<\/a> and must have an indicator. A cable without the right tension lengthens the arrest; an over-tensioned one loads the ends more than planned.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>How to Choose the Anchor Point According to the Surface<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">The sequence is always the same, and none of the four steps can be skipped:<\/p>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Identify the real substrate, not the visible one.<\/strong> Under the tile there is a change; under the membrane, a metal sheet; find out the thickness of the sheet where we are going to anchor the system. Anchor to the structure that guarantees that load.<\/li>\n\n\n\n<li><strong>Verify its capacity.<\/strong> Sheet thickness, purlin section, condition of the concrete, strength of the profile. Without that data, any anchor is a gamble.<\/li>\n\n\n\n<li><strong>Choose the anchor tested for that substrate.<\/strong> There are no universal anchors, and the one that works in concrete does not work in sheet metal, and vice versa.<\/li>\n\n\n\n<li><strong>Check the clearance below the work plane.<\/strong> This is the figure that decides whether the system arrests in time. If there is not enough space for the arrest, a better anchor will not solve the problem; it is solved by adding an anti-swing point, reducing the anchor span, or simply changing the system to be installed.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">And one rule that avoids most problems: the assembly is certified as a system, not piece by piece. An anchor from one manufacturer with a trolley from another invalidates the test, even if it fits physically.<\/p>\n\n<p class=\"wp-block-paragraph\">If you have a roof and do not know which anchor it can take, send us the type of substrate and the planned route. At Ypsos we will help you decide which one best fits your project before you buy anything.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions About Lifeline Anchor Points<\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1786623520009\"><strong class=\"schema-faq-question\"><strong>What is a lifeline anchor point?<\/strong><\/strong> <p class=\"schema-faq-answer\">It is the element that fixes the fall arrest system to the building structure and transmits to that structure the force generated in a fall. It is a component tested and certified in accordance with UNE-EN 795, with a declared strength and specific installation conditions: it is not a screw, a ring bolt, or any element that &#8220;looks strong.&#8221; It is important to check that the anchor point is engraved with the standard it refers to, in this case UNE-EN 795.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786623531844\"><strong class=\"schema-faq-question\"><strong>Where is a lifeline anchored?<\/strong><\/strong> <p class=\"schema-faq-answer\">Always to the load-bearing structure, never to a material with no load capacity. Under a tile there is a rafter or purlin; under the waterproof sheet of a deck roof there is a trapezoidal metal sheet; under a fiber cement sheet there is a metal purlin. The anchor is fixed to that load-bearing element, passing through the finish when necessary and resolving the penetration with a watertight seal. On exposed metal structures, the anchor goes directly to the beam or profile by means of a clamp, bolted plate, or through-bolt anchor, always after verifying that the profile can take a point load at that specific location. In concrete, by means of a mechanical or chemical anchor depending on the condition of the substrate.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786623546902\"><strong class=\"schema-faq-question\"><strong>Where should the hook be connected to the lifeline?<\/strong><\/strong> <p class=\"schema-faq-answer\">The connector is not hooked directly to the cable or to just any point of the system: it is connected to the connecting device specified by the manufacturer (the trolley on a horizontal line, the guided type fall arrester on a vertical one), which is the element tested to travel on that specific line. At the other end, the connection goes to the fall arrest harness: to the dorsal attachment point on horizontal systems and the sternal one on vertical systems. Each system specifies the valid connector and the correct attachment point in its manual, and that detail is not interchangeable between manufacturers.<\/p> <\/div> <\/div>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The lifeline almost never fails. What fails is the substrate it is anchored to. In a fall arrest system, the entire arresting load ends up on the anchor point, and that point only holds if the substrate it is fixed to is adequate. It makes no difference that the system is tested to 12 kN [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":34044,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_breadcrumb_parent_id":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[116],"tags":[118],"class_list":["post-34042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifelines","tag-lifelines","grve-entry-item","grve-blog-item"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Types of Lifeline Anchors and How to Choose<\/title>\n<meta name=\"description\" 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that fixes the fall arrest system to the building structure and transmits to that structure the force generated in a fall. It is a component tested and certified in accordance with UNE-EN 795, with a declared strength and specific installation conditions: it is not a screw, a ring bolt, or any element that \\\"looks strong.\\\" It is important to check that the anchor point is engraved with the standard it refers to, in this case UNE-EN 795.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/ypsossafety.com\\\/en\\\/types-of-anchors-for-lifelines\\\/#faq-question-1786623531844\",\"position\":2,\"url\":\"https:\\\/\\\/ypsossafety.com\\\/en\\\/types-of-anchors-for-lifelines\\\/#faq-question-1786623531844\",\"name\":\"Where is a lifeline anchored?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Always to the load-bearing structure, never to a material with no load capacity. Under a tile there is a rafter or purlin; under the waterproof sheet of a deck roof there is a trapezoidal metal sheet; under a fiber cement sheet there is a metal purlin. The anchor is fixed to that load-bearing element, passing through the finish when necessary and resolving the penetration with a watertight seal. On exposed metal structures, the anchor goes directly to the beam or profile by means of a clamp, bolted plate, or through-bolt anchor, always after verifying that the profile can take a point load at that specific location. 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It is a component tested and certified in accordance with UNE-EN 795, with a declared strength and specific installation conditions: it is not a screw, a ring bolt, or any element that \"looks strong.\" It is important to check that the anchor point is engraved with the standard it refers to, in this case UNE-EN 795.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/ypsossafety.com\/en\/types-of-anchors-for-lifelines\/#faq-question-1786623531844","position":2,"url":"https:\/\/ypsossafety.com\/en\/types-of-anchors-for-lifelines\/#faq-question-1786623531844","name":"Where is a lifeline anchored?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Always to the load-bearing structure, never to a material with no load capacity. Under a tile there is a rafter or purlin; under the waterproof sheet of a deck roof there is a trapezoidal metal sheet; under a fiber cement sheet there is a metal purlin. The anchor is fixed to that load-bearing element, passing through the finish when necessary and resolving the penetration with a watertight seal. On exposed metal structures, the anchor goes directly to the beam or profile by means of a clamp, bolted plate, or through-bolt anchor, always after verifying that the profile can take a point load at that specific location. 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