{"product_id":"concrete-ballast-block-17kg-solar-pv-mounting-ballast","title":"Concrete Ballast Block 17kg - Solar PV Mounting Ballast","description":"\u003c!-- SEO Product Name: Concrete Ballast Block 17kg - Solar PV Mounting Ballast (Travis Perkins 700064) --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThis \u003cstrong\u003e17kg high-density concrete ballast block\u003c\/strong\u003e is the standard weight used across UK ground-mount and flat-roof solar PV mounting systems, providing a cost-effective, non-penetrative method of holding racking systems securely in place without drilling into the roof membrane or ground.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eMeasuring \u003cstrong\u003e440 x 215 x 100mm\u003c\/strong\u003e, this is a standard Solid Dense 7.3N Concrete Block, Grey, 100mm — the block size specified by multiple UK solar mounting manufacturers, including GSE, Renusol, K2 and Van der Valk ballast trays and ground-mount frames, as their standard ballast unit.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -4px; justify-content:space-between;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:6px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e17kg\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eApprox. Weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:6px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e440mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eLength\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:6px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e215mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eWidth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:6px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e100mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eThickness\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:6px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e7.3N\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eCompressive Strength\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 8px; border-radius:6px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eDense Concrete\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eMaterial\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; padding:14px 18px; margin:18px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#E0942A; font-size:14px; margin-bottom:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003ePlease Note\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#2B2B2B; line-height:1.6;\"\u003eActual block weight varies between \u003cstrong\u003e17kg and 18.7kg\u003c\/strong\u003e depending on batch and manufacturer, as dense concrete block weight is not tightly toleranced. Always confirm the exact ballast weight per block with your mounting system's structural\/wind-load calculation before ordering quantities.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -6px;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:6px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eNon-Penetrative Ballasting\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eSecures solar PV mounting frames and ballast trays to flat roofs or the ground without penetrating the roof membrane, preserving waterproofing warranties.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:6px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eIndustry-Standard Size\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThe \u003cstrong\u003e440 x 215 x 100mm\u003c\/strong\u003e format is the size specified by leading mounting system manufacturers as their reference ballast block.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:6px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eHigh-Density Concrete\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eManufactured from \u003cstrong\u003e7.3N dense concrete aggregate\u003c\/strong\u003e, giving the block the mass-to-volume ratio needed for effective wind uplift resistance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:6px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eFrost \u0026amp; Weather Resistant\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eDense concrete construction is \u003cstrong\u003efrost and moisture resistant\u003c\/strong\u003e, suitable for permanent outdoor exposure for the lifetime of the PV system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:6px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eCompatible With Major Mounting Brands\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eMatches the block size referenced in \u003cstrong\u003eGSE, Renusol, K2 and Van der Valk\u003c\/strong\u003e ballast tray and ground-mount installation manuals.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:6px; padding:16px; margin:6px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eStackable \u0026amp; Easy to Handle\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eManageable single-person weight and regular block shape allow blocks to be \u003cstrong\u003estacked and distributed\u003c\/strong\u003e quickly across ballast trays or racking feet.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 14px; margin-top:14px; border-radius:4px 4px 0 0;\"\u003ePhysical Specification\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 4px 4px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eWeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eApprox. 17kg (batch variation 17–18.7kg)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eDimensions (L x W x H)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003e440 x 215 x 100mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eDense concrete aggregate block\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eCompressive Strength\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003e7.3N\/mm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eColour\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eGrey\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eFinish\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eStandard textured face\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 14px; margin-top:14px; border-radius:4px 4px 0 0;\"\u003eStandards \u0026amp; Compliance\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 4px 4px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eManufacturing Standard\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eBS EN 771-3\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eQuality Assurance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eISO 9001\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eEnvironmental Certification\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eISO 14001\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eSourcing\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eBES 6001 Responsible Sourcing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:9px 14px; margin-top:14px; border-radius:4px 4px 0 0;\"\u003eApplication\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 4px 4px; overflow:hidden; margin-bottom:4px;\"\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003ePrimary Use\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eSolar PV ballast for flat-roof and ground-mount racking systems\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eAlso Suitable For\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eGeneral building construction, load-bearing internal\/external walls above and below DPC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; color:#333333; font-size:14px;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; color:#222222; font-size:14px;\"\u003eLoaded directly into ballast trays or stacked at racking feet per system design\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; padding:14px 18px; margin:18px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#D32F2F; font-size:14px; margin-bottom:4px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eImportant Safety Information\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#2B2B2B; line-height:1.6;\"\u003eBallast quantity per module or per linear metre of racking must be calculated by a competent person using site-specific wind loading (BS EN 1991-1-4) and the mounting manufacturer's ballast tables. This block is a building material, not a certified ballast unit in itself.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:20px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eHow many of these blocks do I need per solar panel?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThis depends on your roof height, location wind zone, panel tilt angle, and the specific mounting system's ballast table. Always follow your mounting system manufacturer's wind-load calculation or have a structural engineer confirm quantities — do not estimate.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eIs this the same block used by GSE, Renusol, K2 and other mounting brands?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThe \u003cstrong\u003e440 x 215 x 100mm dense concrete block\u003c\/strong\u003e format is the reference size quoted in the installation manuals of several major UK mounting system suppliers. Always check your specific system's manual, as some brands also accept alternative block or paving slab sizes.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eCan these blocks be used on a pitched roof?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eSome pitched-roof ballast systems (such as certain in-roof and rail-less kits) also specify this block size for ridge or hip ballasting. Refer to your mounting system's manual to confirm suitability for pitched applications.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eDo the blocks need to be fixed down?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eIn most ballasted systems, the blocks are loaded loose into trays or cradles that are mechanically fixed to the racking — the block's mass itself is not fastened. Follow your mounting system's specific installation instructions.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWill the blocks damage my roof membrane?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eWhen used correctly within a manufacturer-approved ballast tray or cradle, load is distributed across the tray footprint rather than concentrated at a point, minimising risk to the roof membrane. Always use the block within an approved ballast carrier, not placed directly on an unprotected membrane.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Travis Perkins","offers":[{"title":"Default Title","offer_id":65812552712541,"sku":"BALLAST-17KG","price":3.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/ConcreteBallastBrick3kg-SolarPVMountingBallast.jpg?v=1788532814","url":"https:\/\/qualityheating.co.uk\/products\/concrete-ballast-block-17kg-solar-pv-mounting-ballast","provider":"AIZO Quality Heating","version":"1.0","type":"link"}