{"id":2801,"date":"2026-07-24T17:55:08","date_gmt":"2026-07-24T17:55:08","guid":{"rendered":"https:\/\/www.relyirgrass.com\/performance-testing-on-artificial-turf-sports-fields\/"},"modified":"2026-09-19T02:30:04","modified_gmt":"2026-09-19T02:30:04","slug":"performance-testing-on-artificial-turf-sports-fields","status":"publish","type":"post","link":"https:\/\/www.relyirgrass.com\/es\/performance-testing-on-artificial-turf-sports-fields\/","title":{"rendered":"Pruebas de rendimiento en campos deportivos de c\u00e9sped artificial"},"content":{"rendered":"<style>\nh2 { font-size: 1.6em; line-height: 1.3; margin: 40px 0 18px; }\nh3 { font-size: 1.2em; line-height: 1.35; margin: 26px 0 12px; }\np { line-height: 1.8; margin-bottom: 28px; }\nul { margin-bottom: 28px; padding-left: 20px; list-style-type: disc; }\nli { margin-bottom: 10px; line-height: 1.6; }\ntable { display: table !important; width: 100% !important; border-collapse: collapse; margin-bottom: 28px; }\nth { text-align: left; padding: 12px 14px; background: #1a5c2e; color: #ffffff; font-weight: 600; }\ntd { padding: 12px 14px; border-bottom: 1px solid #e5e5e5; vertical-align: top; }\nfigcaption { text-align: center; font-style: italic; }\n<\/style>\n<p><!-- meta_title: Performance Testing on Artificial Turf Sports Fields --><br \/>\n<!-- meta_description: Performance testing on artificial turf explained: G-max thresholds, FIFA field test ranges, wear simulation and how to read test reports before you buy. --><\/p>\n<p>A field that looks flawless in September can fail its first drop test in March. Infill compacts under traffic, fibres flatten in the sun, and the impact numbers drift while the surface still looks green and even. Performance testing on artificial turf exists to catch that drift before it becomes a safety file, a disputed claim or a closed pitch.<\/p>\n<p>We tuft, coat and perforate sports rolls on our own line, so we work close to the measurement categories buyers meet again on laboratory reports. Knowing the thresholds, the devices and the report habits is what separates a passing score from a surface that stays safe and playable for seasons.<\/p>\n<h2 id=\"why-testing-matters\">Why Performance Testing on Artificial Turf Matters<\/h2>\n<p>Every artificial turf installation is judged against written numbers, not impressions. A pitch can be green, evenly brushed and free of visible damage, yet sit outside its shock absorption or ball rebound band. Owners usually discover this when an inspector arrives, a coach complains, or an insurance question follows an injury.<\/p>\n<p>Three measurement families dominate the field. Impact attenuation covers how the surface absorbs a falling body or head. Ball-surface interaction covers rebound and roll, while player-surface interaction covers shock, deformation and grip underfoot. Durability testing then checks whether those numbers survive weather and wear.<\/p>\n<p>For facility owners, performance testing on artificial turf turns published bands into a working tool for tenders, maintenance schedules and dispute resolution. FIFA&#8217;s Quality Programme and ASTM International define the most cited limits, and testing against them is industry background every buyer can read.<\/p>\n<h2 id=\"gmax-impact-testing-basics\">G-Max Impact Testing From Drop To Threshold<\/h2>\n<p>The best known number is G-max, measured under ASTM F355 Procedure A. A 20 pound flat-ended missile falls from 24 inches onto the surface, and an accelerometer inside it records the deceleration curve. The peak of that curve is the score, taken across about 10 locations with three drops per location, the first drop conditioning the infill and excluded from the average.<\/p>\n<p>Lower means softer. The current ASTM F1936 ceiling sits at 200 g, a level ASTM associates with the onset of life-threatening head injury risk. The Synthetic Turf Council advises holding below 164 g for the life of the field. FIFA&#8217;s programme keeps football surfaces between 60 and 180 g, while World Rugby accepts 35 to 200 g.<\/p>\n<div class=\"wp-block-image\">\n<figure><img decoding=\"async\" src=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-outdoor-volleyball-badminton-court-green-fencing.jpg\" alt=\"Community multi-sport facility with vibrant green artificial turf with white boundary lines and surrounding perimeter fencing\" class=\"wp-image-2706\" width=\"1120\" height=\"680\" loading=\"lazy\" srcset=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-outdoor-volleyball-badminton-court-green-fencing.jpg 1120w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-outdoor-volleyball-badminton-court-green-fencing-300x182.jpg 300w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-outdoor-volleyball-badminton-court-green-fencing-1024x622.jpg 1024w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-outdoor-volleyball-badminton-court-green-fencing-768x466.jpg 768w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-outdoor-volleyball-badminton-court-green-fencing-18x12.jpg 18w\" sizes=\"auto, (max-width: 1120px) 100vw, 1120px\" \/><figcaption>Dense green artificial grass fibres photographed up close<\/figcaption><\/figure>\n<\/div>\n<p>A finished artificial turf installation is only as comparable as its device. The NFL measures before every game with a Clegg tester and requires readings below 100 g. Clegg and F355 missile A results are not interchangeable, because the missiles differ in weight and drop height. Always ask which device produced a figure you receive.<\/p>\n<table>\n<thead>\n<tr>\n<th>Governing body or rule set<\/th>\n<th>Device and method<\/th>\n<th>Stated limit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ASTM F1936 (F355 Procedure A)<\/td>\n<td>20 lb missile, 24 inch drop<\/td>\n<td>200 g maximum<\/td>\n<\/tr>\n<tr>\n<td>Synthetic Turf Council guidance<\/td>\n<td>F355 missile A<\/td>\n<td>164 g maximum for field life<\/td>\n<\/tr>\n<tr>\n<td>FIFA Quality Programme<\/td>\n<td>Independent laboratory<\/td>\n<td>60 to 180 g<\/td>\n<\/tr>\n<tr>\n<td>World Rugby<\/td>\n<td>Accredited test institute<\/td>\n<td>35 to 200 g<\/td>\n<\/tr>\n<tr>\n<td>NFL game-day rule<\/td>\n<td>Clegg tester<\/td>\n<td>Below 100 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The bands in the table describe different devices, sports and governing bodies. They are reference points, not substitutes for one another, so a report should always name the method behind every reading.<\/p>\n<h2 id=\"ball-surface-interaction-tests\">Ball And Surface Interaction Under FIFA Methods<\/h2>\n<p>Football&#8217;s field protocol is the clearest example of ball behaviour written as numbers. Vertical ball rebound must land between 60 and 85 cm for FIFA Quality Pro surfaces, or 60 to 100 cm at the FIFA Quality level. A dropped ball simply has to come back into the stated window.<\/p>\n<p>Ball roll follows the same logic, measured by releasing a ball down a ramp. FIFA Quality Pro requires an initial roll of 4 to 8 m, and FIFA Quality accepts 4 to 10 m. Surface regularity and water permeability complete the set, with irregularities under 10 mm over a 3 m straightedge and permeability of at least 180 mm per hour.<\/p>\n<div class=\"wp-block-image\">\n<figure><img decoding=\"async\" src=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-overhead-lawn-turf-blades-texture.jpg\" alt=\"Top-down texture capturing the vibrant green tones, natural upright curl, and soft texture of synthetic grass\" class=\"wp-image-2708\" width=\"1120\" height=\"680\" loading=\"lazy\" srcset=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-overhead-lawn-turf-blades-texture.jpg 1120w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-overhead-lawn-turf-blades-texture-300x182.jpg 300w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-overhead-lawn-turf-blades-texture-1024x622.jpg 1024w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-overhead-lawn-turf-blades-texture-768x466.jpg 768w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-overhead-lawn-turf-blades-texture-18x12.jpg 18w\" sizes=\"auto, (max-width: 1120px) 100vw, 1120px\" \/><figcaption>A football resting on a green artificial turf surface<\/figcaption><\/figure>\n<\/div>\n<p>These readings double as diagnostics. A rebound that creeps above its band usually signals compacted infill rather than a faulty roll, and it tells the crew where to decompact first. Holding the <a href=\"https:\/\/www.relyirgrass.com\/artificial-grass-products\/\">product specification<\/a> next to the field readings keeps that conversation precise on both sides.<\/p>\n<h2 id=\"player-surface-interaction-tests\">Player Interaction: Shock, Deformation And Grip<\/h2>\n<p>The player-surface family starts with shock absorption, measured with devices such as the Advanced Artificial Athlete, which drops a weighted foot fitted with a force sensor. FIFA Quality Pro keeps shock absorption between 60 and 70%, and FIFA Quality between 55 and 70%.<\/p>\n<p>Each metric has a two-sided failure mode. Too much shock absorption feels heavy and saps player energy; too little feels hard and loads the knees and spine. Vertical deformation works the same way, held at 4 to 10 mm for Quality Pro and 4 to 11 mm for Quality. Too much movement risks overstretched ligaments; too little leaves the surface hard underfoot.<\/p>\n<p>Rotational resistance closes the family. A torque apparatus turns a studded foot against the surface and records Newton metres. The reading must sit between 30 and 45 Nm at Quality Pro level, or 25 to 50 Nm at Quality level. Excessive grip loads ankles and knees; too little grip removes a player&#8217;s confidence in every cut.<\/p>\n<p>Our <a href=\"https:\/\/www.relyirgrass.com\/sports-artificial-grass\/\">sports turf systems are specified to a stated pile, density and backing<\/a>, which is what makes those numbers repeatable from one roll to the next.<\/p>\n<h2 id=\"durability-wear-simulation\">Durability Tests That Predict Field Service Life<\/h2>\n<p>A surface that passes in week one also has to pass in year eight. World Rugby&#8217;s Regulation 22 requires wear simulation so that performance requirements can still be met after at least 8 to 10 years of use. Laboratory conditioning does the time travel: samples are exposed to UV-A light and to mechanical wear in a Lisport XL device, then re-tested.<\/p>\n<div class=\"wp-block-image\">\n<figure><img decoding=\"async\" src=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-profile-bokeh-trees-outdoor-closeup.jpg\" alt=\"Close-up perspective focusing on soft synthetic grass blades with dappled golden sunlight filtering through leafy trees in background\" class=\"wp-image-2720\" width=\"1120\" height=\"680\" loading=\"lazy\" srcset=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-profile-bokeh-trees-outdoor-closeup.jpg 1120w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-profile-bokeh-trees-outdoor-closeup-300x182.jpg 300w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-profile-bokeh-trees-outdoor-closeup-1024x622.jpg 1024w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-profile-bokeh-trees-outdoor-closeup-768x466.jpg 768w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-profile-bokeh-trees-outdoor-closeup-18x12.jpg 18w\" sizes=\"auto, (max-width: 1120px) 100vw, 1120px\" \/><figcaption>Rows of green artificial turf samples under bright sunlight<\/figcaption><\/figure>\n<\/div>\n<p>FIFA&#8217;s laboratory protocol runs along the same line, with simulated wear at 3,000 cycles for Quality Pro and 6,000 cycles for Quality before the same properties are measured again. The programme checks three pillars throughout: ball-surface interaction, player-surface interaction and durability.<\/p>\n<p>For buyers, durability data is the bridge between a datasheet and a decade. Ask for post-wear values alongside as-new ones, and compare how far each property moved. Backing and coating choices show up directly in those post-wear numbers, which is why the <a href=\"https:\/\/www.relyirgrass.com\/artificial-grass-products\/artificial-grass-roll\/\">roll construction behind a product<\/a> deserves a line in your tender.<\/p>\n<h2 id=\"reading-test-reports\">Reading Test Reports Before You Sign<\/h2>\n<p>A report is only useful if every number can be placed against a band. The ranges in the table come from the FIFA field test requirements, the values most often quoted on football project tenders. Every band is public, and performance testing on artificial turf is benchmark-driven from top to bottom.<\/p>\n<table>\n<thead>\n<tr>\n<th>Field test<\/th>\n<th>FIFA Quality Pro<\/th>\n<th>FIFA Quality<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vertical ball rebound<\/td>\n<td>60 to 85 cm<\/td>\n<td>60 to 100 cm<\/td>\n<\/tr>\n<tr>\n<td>Ball roll, initial assessment<\/td>\n<td>4 to 8 m<\/td>\n<td>4 to 10 m<\/td>\n<\/tr>\n<tr>\n<td>Shock absorption<\/td>\n<td>60 to 70%<\/td>\n<td>55 to 70%<\/td>\n<\/tr>\n<tr>\n<td>Vertical deformation<\/td>\n<td>4 to 10 mm<\/td>\n<td>4 to 11 mm<\/td>\n<\/tr>\n<tr>\n<td>Rotational resistance<\/td>\n<td>30 to 45 Nm<\/td>\n<td>25 to 50 Nm<\/td>\n<\/tr>\n<tr>\n<td>Surface regularity<\/td>\n<td>Under 10 mm<\/td>\n<td>Under 10 mm<\/td>\n<\/tr>\n<tr>\n<td>Water permeability<\/td>\n<td>At least 180 mm\/h<\/td>\n<td>At least 180 mm\/h<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Consistency checks ride along with the performance table. Retests confirm that the materials in artificial turf installations, from pile height to infill grading, stay within stated variation limits of the manufacturer&#8217;s declaration. That is how you confirm the product tested in the laboratory is the product under your boots.<\/p>\n<h2 id=\"common-mistakes-testing-data\">Common Mistakes Buyers Make With Test Data<\/h2>\n<p>Most disputes trace back to how a report was read rather than how the field was made. Four habits cause most of the damage.<\/p>\n<h3>Treating G-Max as the Whole Story<\/h3>\n<p>G-max covers impact attenuation only. Ball rebound, roll, deformation and rotational resistance each carry their own band, and a field can pass one while failing another. Judge the full set, not the headline number.<\/p>\n<h3>Comparing Numbers From Different Devices<\/h3>\n<p>Clegg and F355 missile A scores are not interchangeable, and neither converts reliably into the other. If two reports disagree, check the device and procedure before questioning the surface itself.<\/p>\n<h3>Testing Once and Never Again<\/h3>\n<p>Installation-day data ages quickly. Infill compacts, fibres flatten and bases settle, so a field that passed comfortably can drift toward its ceiling within a few seasons of heavy use.<\/p>\n<h3>Averaging Away the Worst Zone<\/h3>\n<p>A single field average can hide a goalmouth that already exceeds its band. High-traffic areas compact faster than the rest of the pitch, so zone-level readings are the ones that actually protect players.<\/p>\n<div class=\"cta-box\" style=\"background-color:#1a2b3c;border-radius:6px;padding:30px;margin:35px 0;\">\n<h3 style=\"color:#ffffff;margin-top:0;\">How Solid Is the Data Behind Your Turf Spec?<\/h3>\n<p style=\"color:#ffffff;\">Durability is measured, not promised. Pull a free sample in each spec you are weighing and run the wear check yourself before the order goes in.<\/p>\n<p><a href=\"https:\/\/www.relyirgrass.com\/free-samples\/\" style=\"display:inline-block;background-color:#1a5c2e;color:#ffffff;padding:12px 24px;border-radius:4px;text-decoration:none;font-weight:600;\">Order a Sample Pack<\/a><\/p>\n<\/div>\n<h2 id=\"pre-purchase-testing-checklist\">A Pre-Purchase Testing Checklist For Buyers<\/h2>\n<h3>Match the Standard to Your Sport<\/h3>\n<p>Football uses the FIFA bands in the table above. Rugby adds head-impact criteria and a 50 mm minimum pile height, and multi-use school fields usually blend both. Name the governing set in your tender documents.<\/p>\n<h3>Ask Which Device Produced Each Number<\/h3>\n<p>Every report should name its method, whether F355 Procedure A, a Clegg tester, an Advanced Artificial Athlete or a torque apparatus. Without that line, the values cannot be benchmarked against any published band.<\/p>\n<h3>Demand Zone-Level Data<\/h3>\n<p>Ask for readings by position, including goalmouths, midfield and any inlaid areas. Zone data shows where maintenance will be needed long before the field average moves.<\/p>\n<h3>Put Retesting in the Budget<\/h3>\n<p>Annual testing is the stated best practice for installed fields, with heavier-use surfaces checked more often. Budget the retest alongside infill top-ups so every artificial turf installation stays inside its bands.<\/p>\n<div class=\"wp-block-image\">\n<figure><img decoding=\"async\" src=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-wild-green-lawn-texture-overhead.jpg\" alt=\"Organic, non-directional artificial turf surface texture\" class=\"wp-image-2775\" width=\"1120\" height=\"680\" loading=\"lazy\" srcset=\"https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-wild-green-lawn-texture-overhead.jpg 1120w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-wild-green-lawn-texture-overhead-300x182.jpg 300w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-wild-green-lawn-texture-overhead-1024x622.jpg 1024w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-wild-green-lawn-texture-overhead-768x466.jpg 768w, https:\/\/www.relyirgrass.com\/wp-content\/uploads\/2026\/09\/artificial-grass-wild-green-lawn-texture-overhead-18x12.jpg 18w\" sizes=\"auto, (max-width: 1120px) 100vw, 1120px\" \/><figcaption>Green artificial turf rolls stacked in a warehouse<\/figcaption><\/figure>\n<\/div>\n<p>Run the checklist against any specification you receive, and the <a href=\"https:\/\/www.relyirgrass.com\/customization\/\">custom pile heights, densities and colours<\/a> behind a quote become something you can verify rather than trust.<\/p>\n<h2 id=\"working-with-test-laboratories\">Working With Accredited Test Laboratories<\/h2>\n<p>Independence is the point of the whole exercise. Accredited laboratories test artificial turf installations against the same published methods regardless of who made the carpet, which is what makes performance testing on artificial turf comparable between suppliers.<\/p>\n<p>Industry practice treats ISO 17025-accredited laboratory work as the reference, reported zone by zone rather than as one field average. Manufacturer-run internal results carry a different weight in a dispute, so it pays to know which kind of data sits in your file.<\/p>\n<p>Between laboratory dates, physical evaluation keeps a project honest. <a href=\"https:\/\/www.relyirgrass.com\/free-samples\/\">Sample kits ship free<\/a> in three to seven business days with courier tracking, so pile feel, density and colour can be checked in daylight before a container is booked.<\/p>\n<p><!-- relyirgate:C1 --><\/p>\n<h2 id=\"frequently-asked-questions\">Frequently Asked Questions<\/h2>\n<div class=\"faq-card\" style=\"background:#f9f9f9;border-left:4px solid #1a5c2e;border-radius:4px;padding:25px;margin-bottom:18px;\">\n<h3 style=\"color:#1a5c2e;margin-top:0;\">What is a safe G-max rating for a sports field?<\/h3>\n<p>At or below 200 g under ASTM F1936, with 164 g the recommended lifetime ceiling. FIFA&#8217;s programme holds football surfaces within a 60 to 180 g band.<\/p>\n<\/div>\n<div class=\"faq-card\" style=\"background:#f9f9f9;border-left:4px solid #1a5c2e;border-radius:4px;padding:25px;margin-bottom:18px;\">\n<h3 style=\"color:#1a5c2e;margin-top:0;\">How often should a field be tested?<\/h3>\n<p>At least once a year, and more often on heavily used fields. High-wear zones such as goalmouths and midfield deserve extra attention between full-field test dates.<\/p>\n<\/div>\n<div class=\"faq-card\" style=\"background:#f9f9f9;border-left:4px solid #1a5c2e;border-radius:4px;padding:25px;margin-bottom:18px;\">\n<h3 style=\"color:#1a5c2e;margin-top:0;\">Why does G-max rise as a field ages?<\/h3>\n<p>Infill compacts under repeated loading, fibres flatten through use and UV exposure, and bases can settle. Each change absorbs less impact energy and pushes readings upward, fastest in high-traffic zones.<\/p>\n<\/div>\n<div class=\"faq-card\" style=\"background:#f9f9f9;border-left:4px solid #1a5c2e;border-radius:4px;padding:25px;margin-bottom:18px;\">\n<h3 style=\"color:#1a5c2e;margin-top:0;\">What does the vertical ball rebound test show?<\/h3>\n<p>How high a dropped ball returns, with FIFA Quality Pro requiring 60 to 85 cm. Readings above band usually point to compacted infill; readings below band suggest a deadened surface.<\/p>\n<\/div>\n<div class=\"faq-card\" style=\"background:#f9f9f9;border-left:4px solid #1a5c2e;border-radius:4px;padding:25px;margin-bottom:18px;\">\n<h3 style=\"color:#1a5c2e;margin-top:0;\">Do all sports use the same thresholds?<\/h3>\n<p>No. Football follows the FIFA bands, while rugby adds head-impact criteria and a 50 mm minimum pile height, with higher strength requirements for scrummaging loads.<\/p>\n<\/div>\n<div class=\"faq-card\" style=\"background:#f9f9f9;border-left:4px solid #1a5c2e;border-radius:4px;padding:25px;margin-bottom:18px;\">\n<h3 style=\"color:#1a5c2e;margin-top:0;\">How can I evaluate turf before ordering in bulk?<\/h3>\n<p>Order a sample kit. Kits ship free in three to seven business days with tracking, letting you check pile, density and colour on site before committing.<\/p>\n<\/div>\n<p><script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Article\",\"headline\":\"Performance Testing on Artificial Turf Sports Fields\",\"description\":\"Performance testing on artificial turf explained: G-max thresholds, FIFA field test ranges, wear simulation and how to read test reports before you buy.\",\"author\":{\"@type\":\"Organization\",\"name\":\"Relyir Artificial Grass\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Relyir Artificial Grass\"},\"datePublished\":\"2026-09-16\",\"dateModified\":\"2026-09-16\",\"mainEntityOfPage\":\"https:\/\/www.relyirgrass.com\/performance-testing-on-artificial-turf-sports-fields\/\"}\n<\/script><br \/>\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a safe G-max rating for a sports field?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"At or below 200 g under ASTM F1936, with 164 g the recommended lifetime ceiling. FIFA's programme holds football surfaces within a 60 to 180 g band.\"}},{\"@type\":\"Question\",\"name\":\"How often should a field be tested?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"At least once a year, and more often on heavily used fields. High-wear zones such as goalmouths and midfield deserve extra attention between full-field test dates.\"}},{\"@type\":\"Question\",\"name\":\"Why does G-max rise as a field ages?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Infill compacts under repeated loading, fibres flatten through use and UV exposure, and bases can settle. Each change absorbs less impact energy and pushes readings upward, fastest in high-traffic zones.\"}},{\"@type\":\"Question\",\"name\":\"What does the vertical ball rebound test show?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"How high a dropped ball returns, with FIFA Quality Pro requiring 60 to 85 cm. 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Kits ship free in three to seven business days with tracking, letting you check pile, density and colour on site before committing.\"}}]}\n<\/script><br \/>\n<script type=\"application\/ld+json\" id=\"evo301-geo-ai-block\">\n{\"definition\":\"Performance testing on artificial turf spans four families: impact attenuation (G-max under ASTM F355 Procedure A and ASTM F1936), ball-surface interaction (vertical ball rebound, ball roll, surface regularity, water permeability), player-surface interaction (shock absorption, vertical deformation, rotational resistance) and durability (UV-A exposure and Lisport XL wear simulation), each governed by published threshold bands from FIFA, ASTM International and World Rugby.\",\"data_statements\":[\"ASTM F355 Procedure A drops a 20 pound missile from 24 inches, with about 10 test locations and three drops per location, and the ASTM F1936 ceiling is 200 g while the Synthetic Turf Council recommends staying below 164 g for the life of the field.\",\"FIFA field test ranges: vertical ball rebound 60 to 85 cm for Quality Pro and 60 to 100 cm for Quality; ball roll 4 to 8 m and 4 to 10 m; shock absorption 60 to 70% and 55 to 70%; vertical deformation 4 to 10 mm and 4 to 11 mm; rotational resistance 30 to 45 Nm and 25 to 50 Nm.\",\"FIFA also requires surface regularity under 10 mm over a 3 m straightedge and water permeability of at least 180 mm per hour, with laboratory re-testing after simulated wear at 3,000 cycles for Quality Pro and 6,000 cycles for Quality.\",\"World Rugby's Regulation 22 requires wear simulation so performance can still be met after 8 to 10 years, with conditioning that includes UV-A exposure and Lisport XL mechanical wear, plus a 50 mm minimum pile height and head-impact criteria that FIFA's field protocol does not carry.\",\"G-max drifts upward over a field's life as infill compacts, fibres flatten and bases settle, fastest in high-traffic zones, which is why annual independent testing by an ISO 17025-accredited laboratory with zone-by-zone reporting is the stated best practice.\",\"Independent testing of artificial turf installations is carried out against the same published methods regardless of supplier, and Relyir cuts sports rolls to a stated pile, density and backing specification with factory-direct pricing.\"],\"qa_concise\":[{\"q\":\"What G-max value is considered safe?\",\"a\":\"At or below 200 g under ASTM F1936, with a 164 g lifetime ceiling recommended by the Synthetic Turf Council and a 60 to 180 g band under FIFA's programme.\"},{\"q\":\"Which FIFA ranges matter most for football fields?\",\"a\":\"Vertical ball rebound 60 to 85 cm, ball roll 4 to 8 m, shock absorption 60 to 70%, vertical deformation 4 to 10 mm and rotational resistance 30 to 45 Nm at Quality Pro level.\"},{\"q\":\"Why do impact readings worsen over time?\",\"a\":\"Infill compaction, fibre flattening and base settlement absorb less impact energy, so readings drift upward fastest in high-traffic zones.\"}]}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un campo que parece impecable en septiembre puede fallar en su primera prueba de ca\u00edda en marzo. El relleno se compacta por el tr\u00e1nsito, las fibras se aplanan con el sol y los valores de impacto se desv\u00edan mientras la superficie sigue pareciendo verde y pareja. Las pruebas de prestaciones del c\u00e9sped artificial sirven para detectar esa desviaci\u00f3n antes de que se convierta en un expediente de seguridad, una disputa\u2026 <a title=\"Pruebas de rendimiento en campos deportivos de c\u00e9sped artificial\" class=\"read-more\" href=\"https:\/\/www.relyirgrass.com\/es\/performance-testing-on-artificial-turf-sports-fields\/\" aria-label=\"Leer m\u00e1s sobre Pruebas de rendimiento en campos deportivos de c\u00e9sped artificial\">Leer m\u00e1s<\/a><\/p>","protected":false},"author":2,"featured_media":2688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Performance Testing on Artificial Turf Sports Fields","rank_math_description":"Performance testing on artificial turf explained: G-max thresholds, FIFA field test ranges, wear simulation and how to read test reports before you buy.","rank_math_focus_keyword":"performance testing on artificial turf","rank_math_robots":"","rank_math_canonical_url":"","rank_math_facebook_title":"","rank_math_facebook_description":"","rank_math_twitter_title":"","rank_math_twitter_description":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_focuskw":"","_yoast_wpseo_canonical":"","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_aioseo_title":"","_aioseo_description":"","_aioseo_keywords":"","_aioseo_robots_default":"","_aioseo_robots_noindex":"","_aioseo_og_title":"","_aioseo_og_description":"","_aioseo_twitter_title":"","_aioseo_twitter_description":"","aiosp_title":"","aiosp_description":"","aiosp_keywords":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_analysis_target_kw":"","_seopress_robots_canonical":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_genesis_title":"","_genesis_description":"","_genesis_canonical":"","_genesis_noindex":"","_genesis_nofollow":"","slim_seo":"","footnotes":""},"categories":[28],"tags":[],"class_list":["post-2801","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sports-field-turf"],"_links":{"self":[{"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/posts\/2801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/comments?post=2801"}],"version-history":[{"count":2,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/posts\/2801\/revisions"}],"predecessor-version":[{"id":3227,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/posts\/2801\/revisions\/3227"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/media\/2688"}],"wp:attachment":[{"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/media?parent=2801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/categories?post=2801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.relyirgrass.com\/es\/wp-json\/wp\/v2\/tags?post=2801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}