{"id":352,"date":"2025-09-22T01:20:54","date_gmt":"2025-09-22T01:20:54","guid":{"rendered":"https:\/\/topsoiltippers.co.za\/?post_type=product&#038;p=352"},"modified":"2026-04-25T20:13:01","modified_gmt":"2026-04-25T20:13:01","slug":"concrete-mix-13mm","status":"publish","type":"product","link":"https:\/\/topsoiltippers.co.za\/af\/shop\/concrete-mix-13mm\/","title":{"rendered":"Betonmengsel 13mm (Sand &amp; Klip Mengsel) \u2013 Gereed vir Sement"},"content":{"rendered":"<p>A balanced mix of stone and sand for 13mm concrete applications.<\/p>\n<p><strong>The Easy Way to Mix Concrete.<\/strong> Stop guessing your ratios or buying separate piles of sand and stone. Our <strong>Concrete Mix 13mm<\/strong> is a ready-to-use blend of sharp washed river sand and 13mm crushed stone. It is designed to save you time and space on site\u2014simply add your cement and water, and you are ready to pour.<\/p>\n<p><strong>Why Choose 13mm Mix over 19mm?<\/strong> While 19mm is standard for deep foundations, the 13mm aggregate size creates a smoother, finer concrete. This makes it the superior choice for:<\/p>\n<p><strong>Thinner Slabs:<\/strong> Ideal for walkways or floors where thickness is limited.<br \/>\n<strong>Lintels &#038; Beams:<\/strong> The smaller stone flows better around reinforcing steel (rebar).<br \/>\n<strong>DIY Projects:<\/strong> Easier to shovel and level by hand than the heavier 19mm mix.<\/p>\n<p><strong>Product Features:<\/strong><\/p>\n<p><strong>Convenient:<\/strong> 2-in-1 mix (Sand + Stone).<br \/>\n<strong>Clean:<\/strong> Free of organic matter and clay to ensure strong concrete.<br \/>\n<strong>Versatile:<\/strong> Suitable for residential construction and paving bases.<\/p>\n<p><strong>How much cement do I need?<\/strong> For a standard medium-strength concrete (25Mpa), a general rule of thumb is <strong>2 bags of cement per cubic meter<\/strong> of Concrete Mix (depending on the specific strength required by your engineer).<\/p>\n<p><strong>Common Questions:<\/strong><\/p>\n<p><strong>What is in the Concrete Mix?<\/strong> It is a blend of <strong>Washed River Sand<\/strong> (clean sand) and <strong>13mm Stone<\/strong>. There is no cement in this mix; you must add the cement yourself.<\/p>\n<p><strong>Is 13mm or 19mm mix better?<\/strong> 19mm is standard for heavy-duty foundations (like a house foundation). 13mm is better for finer work, thinner slabs, or decorative concrete because the stones are smaller and pack together more smoothly.<\/p>\n<p><strong>Disclaimer:<\/strong> At Topsoil Tippers, we strive to ensure that the products you receive match the images and descriptions provided. However, as our materials are sourced from various suppliers, there may be slight variations in color, texture, and composition. Rest assured, we exercise the utmost care to provide products that meet your expectations and are as close to the pictures as possible. Let us help you bring your projects to life with quality products and exceptional service!<\/p>","protected":false},"excerpt":{"rendered":"<p style=\"margin-bottom: 15px;\">\n    <strong style=\"color: #25D366; font-size: 22px;\">\ud83d\udc47 Scroll down to calculate required quantities or ADD TO BASKET<\/strong>\n<\/p>\n<p>The ultimate time-saver for builders and DIYers. A perfectly proportioned pre-mix of washed river sand and 13mm stone. Just add cement and water to cast slabs, pathways, and lintels.<br \/>\n<style>\r\n    .ts-vol-calc-wrapper * { box-sizing: border-box; }\r\n    .ts-vol-calc-wrapper input[type=\"number\"] { margin-bottom: 0 !important; box-shadow: none !important; border: 1px solid #ccc !important; background: #fff !important; height: 45px !important; }\r\n    .vis-stage-vol { height: 240px; display: flex; align-items: center; justify-content: center; background: #fafafa; border: 1px inset #eaeaea; border-radius: 8px; margin-bottom: 20px; overflow: hidden; perspective: 800px; }\r\n    .shape-m3 { position: relative; width: 0px; height: 0px; transform-style: preserve-3d; transform: rotateX(-20deg) rotateY(-40deg); transition: all 0.4s ease; opacity: 0; }\r\n    .cube-face { position: absolute; border: 2px solid #8b6b3d; top: 0; left: 0; transition: all 0.4s ease; transform-style: preserve-3d; }\r\n    .cube-top { background: rgba(225, 200, 150, 0.85); }\r\n    .cube-front { background: rgba(200, 170, 120, 0.95); }\r\n    .cube-right { background: rgba(180, 150, 100, 0.9); }\r\n    .dim-badge-vol { position: absolute; background: rgba(255, 255, 255, 0.95); padding: 5px 8px; border-radius: 4px; font-size: 14px; font-weight: 800; box-shadow: 0 2px 5px rgba(0,0,0,0.15); border: 1px solid rgba(0,0,0,0.1); white-space: nowrap; pointer-events: none; color: #8b6b3d;}\r\n<\/style>\r\n\r\n<div class=\"ts-vol-calc-wrapper\" style=\"background: #ffffff; padding: 25px; border-radius: 12px; border: 1px solid #e0e0e0; box-shadow: 0 4px 15px rgba(0,0,0,0.05); color: #333; margin-bottom: 20px;\">\r\n    <h3 style=\"color: #2d5a27; margin-top: 0; font-size: 18px; margin-bottom: 15px; font-weight: bold;\">Calculate How Much You Need<\/h3>\r\n\r\n    <div class=\"vis-stage-vol\">\r\n        <div class=\"shape-m3\">\r\n            <div class=\"cube-top cube-face\"><\/div>\r\n            <div class=\"cube-front cube-face\">\r\n                <div class=\"badge-3d-w dim-badge-vol\" style=\"bottom: -32px; left: 50%; transform: translateX(-50%);\"><\/div>\r\n                <div class=\"badge-3d-d dim-badge-vol\" style=\"left: -65px; top: 50%; transform: translateY(-50%);\"><\/div>\r\n            <\/div>\r\n            <div class=\"cube-right cube-face\">\r\n                <div class=\"badge-3d-l dim-badge-vol\" style=\"bottom: -32px; left: 50%; transform: translateX(-50%);\"><\/div>\r\n            <\/div>\r\n        <\/div>\r\n        <span class=\"placeholder-vol\" style=\"color: #aaa; font-size: 14px; font-style: italic;\">Enter dimensions to visualise...<\/span>\r\n    <\/div>\r\n\r\n    <div style=\"display: flex; gap: 15px; margin-bottom: 15px;\">\r\n        <div style=\"flex: 1;\">\r\n            <label style=\"font-size: 14px; font-weight: 600; color: #444; display: block; margin-bottom: 6px;\">Length (metre)<\/label>\r\n            <input type=\"number\" class=\"vol-length\" placeholder=\"0\" style=\"width: 100%; padding: 12px; border-radius: 6px;\">\r\n        <\/div>\r\n        <div style=\"flex: 1;\">\r\n            <label style=\"font-size: 14px; font-weight: 600; color: #444; display: block; margin-bottom: 6px;\">Width (metre)<\/label>\r\n            <input type=\"number\" class=\"vol-width\" placeholder=\"0\" style=\"width: 100%; padding: 12px; border-radius: 6px;\">\r\n        <\/div>\r\n    <\/div>\r\n    <div style=\"margin-bottom: 20px;\">\r\n        <label style=\"font-size: 14px; font-weight: 600; color: #444; display: block; margin-bottom: 6px;\">Desired Depth (millimetre)<\/label>\r\n        <input type=\"number\" class=\"vol-depth\" placeholder=\"e.g. 50\" style=\"width: 100%; padding: 12px; border-radius: 6px;\">\r\n        <p style=\"font-size: 12px; color: #666; margin: 6px 0 0 0; font-style: italic;\">Recommended: 30mm for dressing, 50mm-100mm for beds.<\/p>\r\n    <\/div>\r\n\r\n    <div style=\"background: #f4f8f4; border: 2px solid #2d5a27; padding: 20px; border-radius: 8px; text-align: center;\">\r\n        <span style=\"font-size: 14px; color: #2d5a27; font-weight: 600;\">Order Quantity Updated To:<\/span><br>\r\n        <strong style=\"font-size: 36px; color: #2d5a27; display: block; margin: 5px 0;\"><span class=\"vol-result\">0<\/span> m\u00b3<\/strong>\r\n        \r\n        <p style=\"font-size: 12px; margin: 5px 0 0 0; color: #555;\">(<strong style=\"color: #cc0000;\">Minimum order: 1m\u00b3<\/strong>) &bull; <em>Calculations are rounded up to the next full cubic metre.<\/em><\/p>\r\n    <\/div>\r\n<\/div>\r\n\r\n<script>\r\nsetInterval(function() {\r\n    const wrappers = document.querySelectorAll('.ts-vol-calc-wrapper');\r\n    wrappers.forEach(function(wrapper) {\r\n        const inputL = wrapper.querySelector('.vol-length');\r\n        const inputW = wrapper.querySelector('.vol-width');\r\n        const inputD = wrapper.querySelector('.vol-depth');\r\n        if (!inputL || !inputW || !inputD) return;\r\n\r\n        const currL = inputL.value;\r\n        const currW = inputW.value;\r\n        const currD = inputD.value;\r\n\r\n        if (wrapper.dataset.lastL !== currL || wrapper.dataset.lastW !== currW || wrapper.dataset.lastD !== currD) {\r\n            wrapper.dataset.lastL = currL;\r\n            wrapper.dataset.lastW = currW;\r\n            wrapper.dataset.lastD = currD;\r\n\r\n            const l = parseFloat(currL) || 0;\r\n            const w = parseFloat(currW) || 0;\r\n            const d = parseFloat(currD) || 0;\r\n            let total = 0;\r\n\r\n            const shape = wrapper.querySelector('.shape-m3');\r\n            const placeholder = wrapper.querySelector('.placeholder-vol');\r\n            const cTop = wrapper.querySelector('.cube-top');\r\n            const cFront = wrapper.querySelector('.cube-front');\r\n            const cRight = wrapper.querySelector('.cube-right');\r\n            const badgeW = wrapper.querySelector('.badge-3d-w');\r\n            const badgeL = wrapper.querySelector('.badge-3d-l');\r\n            const badgeD = wrapper.querySelector('.badge-3d-d');\r\n\r\n            if (l > 0 && w > 0 && d > 0) {\r\n                if(placeholder) placeholder.style.display = 'none';\r\n                if(shape) shape.style.opacity = '1';\r\n                \r\n                \/\/ Calculates the volume and forces it to round up to the next absolute whole number\r\n                let calculatedVol = Math.ceil(l * w * (d \/ 1000));\r\n                \r\n                \/\/ Forces minimum order constraint\r\n                total = Math.max(1, calculatedVol); \r\n                \r\n                const maxDim = Math.max(l, w);\r\n                const visW = Math.max((w \/ maxDim) * 90, 30); \r\n                const visL = Math.max((l \/ maxDim) * 90, 30); \r\n                const visD = Math.max((d \/ 1000) * 30, 20); \r\n\r\n                if(cTop) {\r\n                    cTop.style.width = visW + 'px';\r\n                    cTop.style.height = visL + 'px';\r\n                    cTop.style.transform = `translate(-50%, -50%) rotateX(90deg) translateZ(${visD \/ 2}px)`;\r\n                }\r\n                if(cFront) {\r\n                    cFront.style.width = visW + 'px';\r\n                    cFront.style.height = visD + 'px';\r\n                    cFront.style.transform = `translate(-50%, -50%) translateZ(${visL \/ 2}px)`;\r\n                }\r\n                if(cRight) {\r\n                    cRight.style.width = visL + 'px';\r\n                    cRight.style.height = visD + 'px';\r\n                    cRight.style.transform = `translate(-50%, -50%) rotateY(90deg) translateZ(${visW \/ 2}px)`;\r\n                }\r\n\r\n                if(badgeW) badgeW.innerText = w + \"m\";\r\n                if(badgeL) badgeL.innerText = l + \"m\";\r\n                if(badgeD) {\r\n                    if(d > 0) { badgeD.style.display = 'block'; badgeD.innerText = d + \"mm\"; }\r\n                    else { badgeD.style.display = 'none'; }\r\n                }\r\n\r\n                document.querySelectorAll('form.cart input.qty').forEach(function(qty) {\r\n                    if(qty.value != total) {\r\n                        qty.value = total;\r\n                        qty.dispatchEvent(new Event('input', {bubbles: true}));\r\n                        qty.dispatchEvent(new Event('change', {bubbles: true}));\r\n                    }\r\n                });\r\n            } else {\r\n                if(placeholder) placeholder.style.display = 'block';\r\n                if(shape) shape.style.opacity = '0';\r\n            }\r\n            \r\n            wrapper.querySelector('.vol-result').innerText = total;\r\n\r\n            document.querySelectorAll('.vol-length').forEach(function(inp) { if(inp.value !== currL) inp.value = currL; });\r\n            document.querySelectorAll('.vol-width').forEach(function(inp) { if(inp.value !== currW) inp.value = currW; 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