{"id":6449,"date":"2022-05-21T22:01:09","date_gmt":"2022-05-21T22:01:09","guid":{"rendered":"https:\/\/oncourt.online\/?p=6449"},"modified":"2025-12-20T08:56:44","modified_gmt":"2025-12-20T08:56:44","slug":"hogyan-kell-epiteni-egy-kosarlabdapalya","status":"publish","type":"post","link":"https:\/\/oncourt.online\/hu\/guides\/installation\/how-to-build-a-basketball-court\/","title":{"rendered":"Kos\u00e1rlabdap\u00e1lya al\u00e9p\u00edtm\u00e9ny\u00e9nek kialak\u00edt\u00e1sa"},"content":{"rendered":"\n<h2 class=\"gb-headline gb-headline-25239367 gb-headline-text\">The Foundation of a Long-Lasting Basketball Court<\/h2>\n\n\n\n<p class=\"gb-text gb-text-eca56f50\">A basketball court is only as good as the surface beneath it. Long before tiles are clipped together or a hoop is installed, the sub-base determines how the court will perform, how long it will last and whether problems appear months or years down the line.<\/p>\n\n\n\n<p class=\"gb-text\">This guide focuses specifically on building the sub-base for a basketball court. It does not cover surface installation or hoop assembly \u2014 those steps come later. Getting the foundation right is what allows everything else to work properly.<\/p>\n\n\n\n<div>\n<div class=\"gb-element-8a251f27\">\n<h2 class=\"gb-headline gb-headline-1d06d1bf gb-headline-text\">What Is a Basketball Court Sub-Base?<\/h2>\n\n\n\n<p class=\"gb-text gb-text-b34623ec\">The sub-base is the engineered foundation that supports the playing surface. Its job is deceptively simple: stay flat, stay stable and manage water. In practice, this means carrying player loads, resisting ground movement and preventing moisture from damaging the court above.<\/p>\n\n\n\n<p class=\"gb-text last_text gb-text-da7b2b83\">For basketball courts, particularly those using modular flooring, the sub-base must be flatter and more precise than a typical patio, driveway or garden slab. Small deviations that would be acceptable elsewhere can cause problems on a court.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-e67604cc\">\n<h2 class=\"gb-headline gb-headline-6687946f gb-headline-text\">Choosing the Right Type of Sub-Base<\/h2>\n\n\n\n<p class=\"gb-text gb-text-f39b486b\">Most basketball courts are built on either concrete or asphalt, with concrete being the preferred solution in the majority of installations. It provides a stable, predictable foundation that supports consistent ball bounce and long-term surface performance.<\/p>\n\n\n\n<div class=\"gb-element-9954ec55\">\n<div class=\"gb-element-cc0837b7\">\n<img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"452\" class=\"gb-media-724b1c5f\" alt=\"Super X on suitable reinforced concrete sub base\" title=\"Super X on suitable reinforced concrete sub base\" src=\"https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Super-X-on-suitable-reinforced-concrete-sub-base.png\" srcset=\"https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Super-X-on-suitable-reinforced-concrete-sub-base.png 512w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Super-X-on-suitable-reinforced-concrete-sub-base-300x265.png 300w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Super-X-on-suitable-reinforced-concrete-sub-base-14x12.png 14w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Super-X-on-suitable-reinforced-concrete-sub-base-32x28.png 32w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/>\n<\/div>\n\n\n\n<div>\n<p class=\"gb-text gb-text-c3285237\">For basketball courts, a reinforced concrete slab should typically meet the following criteria:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimum thickness of <strong>100\u2013150 mm<\/strong><\/li>\n\n\n\n<li>Steel mesh or rebar reinforcement<\/li>\n\n\n\n<li>Laser-levelled finish<\/li>\n\n\n\n<li>Subtle fall for outdoor drainage<\/li>\n<\/ul>\n\n\n\n<p class=\"gb-text gb-text-30550846\">Asphalt bases can be suitable in certain situations, but they require stricter preparation and are more prone to long-term movement.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-9e1b361e\">\n<div class=\"gb-element-57cffc6d\">\n<script src=\"https:\/\/fast.wistia.com\/player.js\" async><\/script><script src=\"https:\/\/fast.wistia.com\/embed\/45jcqtops7.js\" async type=\"module\"><\/script><style>wistia-player[media-id='45jcqtops7']:not(:defined) { background: center \/ contain no-repeat url('https:\/\/fast.wistia.com\/embed\/medias\/45jcqtops7\/swatch'); display: block; filter: blur(5px); padding-top:56.25%; }<\/style> <wistia-player media-id=\"45jcqtops7\" aspect=\"1.7777777777777777\"><\/wistia-player>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-d0fc2cc9\">\n<div class=\"gb-element-5e33bea0\">\n<h2 class=\"gb-text\">Flatness and Tolerance Requirements<\/h2>\n\n\n\n<p class=\"gb-text\">A basketball court surface is unforgiving when it comes to uneven foundations. Unlike paving or general hardscaping, the playing surface amplifies imperfections rather than hiding them. Even minor deviations in the sub-base can affect ball bounce, create uncomfortable footing and make surface installation more difficult.<\/p>\n\n\n\n<div class=\"gb-element-757ee01d\">\n<div>\n<p class=\"gb-text\">For this reason, basketball courts require a higher standard of flatness than most exterior slabs. The aim is not visual perfection, but consistent performance across the entire playing area. As a practical guide, a basketball court sub-base should meet the following tolerance expectations:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No more than 3\u20135 mm deviation over 3 metres<\/li>\n\n\n\n<li>No abrupt level changes or ridges<\/li>\n\n\n\n<li>No standing water after rainfall (for outdoor courts)<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"gb-element-e0592841\">\n<script src=\"https:\/\/fast.wistia.com\/player.js\" async><\/script><script src=\"https:\/\/fast.wistia.com\/embed\/fplyu22lh7.js\" async type=\"module\"><\/script><style>wistia-player[media-id='fplyu22lh7']:not(:defined) { background: center \/ contain no-repeat url('https:\/\/fast.wistia.com\/embed\/medias\/fplyu22lh7\/swatch'); display: block; filter: blur(5px); padding-top:56.25%; }<\/style> <wistia-player media-id=\"fplyu22lh7\" aspect=\"1.7777777777777777\"><\/wistia-player>\n<\/div>\n<\/div>\n\n\n\n<p class=\"gb-text gb-text-9c3a3b61\">Meeting these tolerances at the sub-base stage prevents issues that are difficult or impossible to correct once the court surface is installed.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-8a1bed0f\">\n<div class=\"gb-element-475846c4\">\n<h2 class=\"gb-text\">Drainage and Ground Preparation<\/h2>\n\n\n\n<p class=\"gb-text\">For outdoor courts, drainage is as important as flatness. Water that cannot escape will eventually cause movement, cracking or frost damage.<\/p>\n\n\n\n<p class=\"gb-text\">Good ground preparation typically involves a compacted stone or hardcore layer beneath the slab, combined with a gentle fall to guide water away from the court area. The goal is not to create a visible slope, but to prevent standing water from forming anywhere on the surface.<\/p>\n\n\n\n<p class=\"gb-text\">Ignoring drainage rarely causes immediate failure \u2014 it causes slow, expensive problems later.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div>\n<div class=\"gb-element-de1903d3\">\n<h2 class=\"gb-text\">Sub-Base Readiness Check<\/h2>\n\n\n\n<p class=\"gb-text\">Before you move on to installing your basketball court surface, pause and confirm the following. If you can confidently tick every box, your sub-base is ready.<\/p>\n\n\n\n<p class=\"gb-text\"><em>Your sub-base should be:<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Structurally sound, fully cured and free from cracks<\/li>\n\n\n\n<li>Flat within basketball court tolerances (no visible dips or ridges)<\/li>\n\n\n\n<li>Dry, clean and clear of debris<\/li>\n\n\n\n<li>Properly drained, with no standing water after rainfall<\/li>\n\n\n\n<li>Built to the correct dimensions and orientation for your court layout<\/li>\n<\/ul>\n\n\n\n<p class=\"gb-text\">If any of these points are uncertain, resolve them before installing the surface. Fixing issues at this stage is straightforward. Fixing them later is not.<\/p>\n\n\n\n<p class=\"gb-text\">OnCourt provides technical drawings and tolerance guidance for contractors building court sub-bases.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-c0bec831\">\n<h2 class=\"gb-text\">Common Mistakes to Avoid<\/h2>\n\n\n\n<p>Most sub-base issues stem from shortcuts rather than bad intentions. Using patio-grade tolerances, skipping reinforcement, pouring without accurate level control or rushing the curing process are all mistakes that compromise the court before it\u2019s even built.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Using poor tolerances<\/li>\n\n\n\n<li>No reinforcement<\/li>\n\n\n\n<li>Pouring without level control<\/li>\n\n\n\n<li>Installing before full cure<\/li>\n<\/ul>\n\n\n\n<p>The key principle is simple: fixing sub-base problems after installation is far harder than building it correctly in the first place.<\/p>\n<\/div>\n\n\n\n<div class=\"gb-element-7cee848e\">\n<h2 class=\"gb-text\">When Is the Sub-Base Ready?<\/h2>\n\n\n\n<p>Before moving on to surface installation, the sub-base should be fully cured, clean and structurally sound. It must meet flatness tolerances and show no signs of cracking, movement or soft spots.<\/p>\n\n\n\n<p>Once these conditions are met, installing the court surface and hoop becomes straightforward.<\/p>\n<\/div>\n\n\n\n<div class=\"gb-element-8f8d91aa\">\n<div class=\"gb-element-8bacc28b\">\n<h2 class=\"gb-text\">Who Should Build the Sub-Base?<\/h2>\n\n\n\n<p class=\"gb-text\">While many basketball court surfaces can be installed DIY, sub-base construction is best handled by experienced groundworks professionals. This stage requires the right equipment, knowledge of local ground conditions and an understanding of tolerance requirements that go beyond general landscaping work.<\/p>\n\n\n\n<p class=\"gb-text last_text\">OnCourt provides technical drawings and specifications so local contractors can build the base correctly without guesswork. This approach combines local expertise with clear performance standards.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-09af99d3\">\n<h2 class=\"gb-text gb-text-425266c0\">Basketball Court Sub-Base FAQ<\/h2>\n\n\n<div class=\"gb-container gb-container-7a28c1af gb-accordion\">\n<div class=\"gb-container gb-container-b6ee228c gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-907394e9 gb-accordion__toggle\" id=\"gb-accordion-toggle-907394e9\"><span class=\"gb-button-text\">What is a sub-base and why is it important?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-428a07b6\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-428a07b6\">\n\n<p>The sub-base is the compacted foundation layer beneath your court surface. It supports the modular tile system, absorbs load, prevents movement, and ensures consistent basketball bounce. Without a solid sub-base, the court may shift, have dead-spots or drain poorly over time. <\/p>\n\n<\/div><\/div>\n<\/div>\n\n<div class=\"gb-container gb-container-f0f18284 gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-216ec4ac gb-accordion__toggle\" id=\"gb-accordion-toggle-216ec4ac\"><span class=\"gb-button-text\">How deep should I excavate for a basketball court sub-base?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-dda4c89d\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-dda4c89d\">\n\n<p>Excavation depth depends on substrate, ground conditions and climate, but typically ranges from 100mm to 250mm. For soft soil or colder climates, you may need to go deeper to prevent frost heave and subsidence.<\/p>\n\n<\/div><\/div>\n<\/div>\n\n<div class=\"gb-container gb-container-485b39f4 gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-307cf096 gb-accordion__toggle\" id=\"gb-accordion-toggle-307cf096\"><span class=\"gb-button-text\">What material should I use for the sub-base?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-92a8b911\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-92a8b911\">\n\n<p>A common sub-base build-up includes:<br><br>&#8211; Type 1 MOT (crushed stone) for compaction and drainage<br>&#8211; A layer of compacted sharp sand or a fine blinding layer<br>&#8211; Optionally, geotextile fabric for weed control and stability<br><br>For best results, finish with a smooth concrete or asphalt pad when installing modular tile systems. As discussed in this article, a flatness tolerance of no more than 5mm in any 3m radius will ensure great performance.<\/p>\n\n<\/div><\/div>\n<\/div>\n\n<div class=\"gb-container gb-container-a33d81d7 gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-8190d84e gb-accordion__toggle\" id=\"gb-accordion-toggle-8190d84e\"><span class=\"gb-button-text\">How level does the sub-base need to be?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-d11cc4f4\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-d11cc4f4\">\n\n<p>Your sub-base should be level to within 5mm over any 3m radius. This tolerance is critical to ensure that your modular tiles lock securely and provide a safe, consistent playing experience.<\/p>\n\n\n<div class=\"gb-grid-wrapper gb-grid-wrapper-3a904e3f\">\n<div class=\"gb-grid-column gb-grid-column-7dc4c7e3\"><div class=\"gb-container gb-container-7dc4c7e3\">\n\n<figure class=\"gb-block-image gb-block-image-0accc454\"><img loading=\"lazy\" decoding=\"async\" width=\"2304\" height=\"1296\" class=\"gb-image gb-image-0accc454\" src=\"https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Curved.png\" alt=\"\" title=\"Still_Curved\"\/><\/figure>\n\n<\/div><\/div>\n\n<div class=\"gb-grid-column gb-grid-column-0be7ed3b\"><div class=\"gb-container gb-container-0be7ed3b\">\n\n<figure class=\"gb-block-image gb-block-image-8383b7aa\"><img loading=\"lazy\" decoding=\"async\" width=\"2304\" height=\"1296\" class=\"gb-image gb-image-8383b7aa\" src=\"https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat.png\" alt=\"\" title=\"Still_Flat\" srcset=\"https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat.png 2304w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-300x169.png 300w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-1024x576.png 1024w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-768x432.png 768w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-1536x864.png 1536w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-2048x1152.png 2048w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-18x10.png 18w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-32x18.png 32w, https:\/\/oncourt.online\/wp-content\/uploads\/2022\/05\/Still_Flat-545x307.png 545w\" sizes=\"auto, (max-width: 2304px) 100vw, 2304px\" \/><\/figure>\n\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n<div class=\"gb-container gb-container-ccc3d175 gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-372f9213 gb-accordion__toggle\" id=\"gb-accordion-toggle-372f9213\"><span class=\"gb-button-text\">Do I need to install drainage?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-363bd52d\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-363bd52d\">\n\n<p>Yes. Proper drainage is essential to prevent water pooling under the modular court surface. Incorporate a gentle slope, permeable base layers, or channel drains as needed for outdoor courts.<\/p>\n\n<\/div><\/div>\n<\/div>\n\n<div class=\"gb-container gb-container-919690bb gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-251ae71c gb-accordion__toggle\" id=\"gb-accordion-toggle-251ae71c\"><span class=\"gb-button-text\">Can I build the sub-base myself?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-da23574f\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-da23574f\">\n\n<p>Yes, if you&#8217;re confident with excavation and compaction. Many DIYers handle their own sub-base, but for larger or more complex courts, we recommend working with a professional contractor.<br><br>Working with a local groundworks contractor is usually the smart choice. They\u2019re better equipped to assess local soil conditions, understand regional drainage challenges, and can mobilise the right machinery and materials more efficiently. A professionally prepared sub-base also gives you peace of mind that your court will perform at its best for years to come.<\/p>\n\n<\/div><\/div>\n<\/div>\n\n<div class=\"gb-container gb-container-e61d4a23 gb-accordion__item\" data-transition=\"slide\">\n\n<button class=\"gb-button gb-button-6f97cd04 gb-accordion__toggle\" id=\"gb-accordion-toggle-6f97cd04\"><span class=\"gb-button-text\">Can I install my own hoop system?<\/span><span class=\"gb-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\" fill=\"currentColor\"><\/path><\/svg><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" width=\"1em\" height=\"1em\" aria-hidden=\"true\" role=\"img\" class=\"gb-accordion__icon-open\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\" fill=\"currentColor\"><\/path><\/svg><\/span><\/button>\n\n\n<div id=\"gb-accordion-content-f7461a1a\" class=\"gb-accordion__content\"><div class=\"gb-container gb-container-f7461a1a\">\n\n<p>Installing the \u2018in-ground\u2019 Mega Slam Hoop is a 2 stage job. A 1.25m deep hole is dug for a concrete anchor to support the system. The next phase is building the hoop. Mega Slam Hoops are heavy \u2013 it\u2019s what makes them the ultimate home hoop. This does mean that you will need some friends to help with the heavy lifting. Learn more about&nbsp;<em><a href=\"https:\/\/oncourt.online\/guides\/installation\/basketball-hoop-installation-guide\/\">Mega Slam Hoops installation<\/a><\/em>.<br><br><strong>NOTE<\/strong>&nbsp;\u2013 Hoop system and component anchor assemblies should be installed during sub-base construction. Configure and order your court, hoop and components to ensure ground anchor assemblies are available during the sub-base build.<\/p>\n\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"gb-element-dc75941c\">\n<div class=\"gb-element-fc970327\">\n<h2 class=\"gb-text\">Next Steps<\/h2>\n\n\n\n<p class=\"gb-text\">With the sub-base complete, you\u2019re ready to move from groundworks to court assembly.<\/p>\n\n\n\n<p class=\"gb-text-3b138668\"><span class=\"gb-shape\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 256 256\" fill=\"currentColor\"><path d=\"M221.66,133.66l-72,72a8,8,0,0,1-11.32-11.32L196.69,136H40a8,8,0,0,1,0-16H196.69L138.34,61.66a8,8,0,0,1,11.32-11.32l72,72A8,8,0,0,1,221.66,133.66Z\"><\/path><\/svg><\/span><span class=\"gb-text\"><strong><em><a href=\"https:\/\/oncourt.online\/guides\/installation\/\">View More Installation Guides<\/a><\/em><\/strong><\/span><\/p>\n\n\n\n<p class=\"gb-text-37a1a563\"><span class=\"gb-shape\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 256 256\" fill=\"currentColor\"><path d=\"M221.66,133.66l-72,72a8,8,0,0,1-11.32-11.32L196.69,136H40a8,8,0,0,1,0-16H196.69L138.34,61.66a8,8,0,0,1,11.32-11.32l72,72A8,8,0,0,1,221.66,133.66Z\"><\/path><\/svg><\/span><span class=\"gb-text\"><strong><em><a href=\"https:\/\/oncourt.online\/basketball-court-faq\/#installation-faq\">View the Installation FAQ<\/a><\/em><\/strong><\/span><\/p>\n\n\n\n<p class=\"gb-text-42d434b7\"><span class=\"gb-shape\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 256 256\" fill=\"currentColor\"><path d=\"M221.66,133.66l-72,72a8,8,0,0,1-11.32-11.32L196.69,136H40a8,8,0,0,1,0-16H196.69L138.34,61.66a8,8,0,0,1,11.32-11.32l72,72A8,8,0,0,1,221.66,133.66Z\"><\/path><\/svg><\/span><span class=\"gb-text\"><strong><em><a href=\"https:\/\/oncourt.online\/3d-basketball-court-designer\/\">Design Your Basketball Court in 3D<\/a><\/em><\/strong><\/span><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p> &#8230; <a title=\"Kos\u00e1rlabdap\u00e1lya al\u00e9p\u00edtm\u00e9ny\u00e9nek kialak\u00edt\u00e1sa\" class=\"read-more\" href=\"https:\/\/oncourt.online\/hu\/guides\/installation\/how-to-build-a-basketball-court\/\" aria-label=\"Read more about How To Build A Basketball Court Sub Base\">Tov\u00e1bbi inform\u00e1ci\u00f3k<\/a><\/p>","protected":false},"author":1125,"featured_media":823,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[305],"tags":[],"class_list":["post-6449","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-installation","infinite-scroll-item","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding","resize-featured-image"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Build a Basketball Court Sub-Base | Foundation &amp; Groundworks Guide<\/title>\n<meta name=\"description\" content=\"Learn how to build a basketball court sub-base correctly. Covers concrete and asphalt bases, flatness tolerances, drainage and preparation for long-lasting courts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oncourt.online\/hu\/utmutatok\/telepites\/hogyan-kell-epiteni-egy-kosarlabdapalya\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How To Build A Basketball Court Sub Base\" \/>\n<meta property=\"og:description\" content=\"Learn how to build a basketball court sub-base correctly. 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