{"product_id":"ball-young-cast-iron-6mm-underlay","title":"Cast Iron (6mm – 15m² Roll)","description":"\u003cdiv class=\"sutton-accessory-description\" style=\"max-width:900px;margin:0 auto;line-height:1.65;color:#243b32;overflow-wrap:anywhere\"\u003e\n\u003cp style=\"font-size:17px;margin:0 0 20px\"\u003eCast Iron 6mm carpet underlay provides a supporting layer beneath your carpet. Heavy contract carpet installations, large areas and marine work where a flat, firm base is needed. Each whole roll covers a nominal 15m².\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;flex:1 1 90px;padding:12px;background:#f3f5f1;border-radius:6px\"\u003e\n\u003cstrong style=\"display:block;font-size:20px\"\u003e6mm\u003c\/strong\u003e\u003cspan style=\"font-size:14px\"\u003eThickness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;flex:1 1 90px;padding:12px;background:#f3f5f1;border-radius:6px\"\u003e\n\u003cstrong style=\"display:block;font-size:20px\"\u003e15m²\u003c\/strong\u003e\u003cspan style=\"font-size:14px\"\u003ePer roll\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;flex:1 1 90px;padding:12px;background:#f3f5f1;border-radius:6px\"\u003e\n\u003cstrong style=\"display:block;font-size:20px\"\u003e1.5 tog\u003c\/strong\u003e\u003cspan style=\"font-size:14px\"\u003eThermal resistance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdetails open style=\"border-top:1px solid #d6dfda;padding:16px 0\"\u003e\u003csummary style=\"cursor:pointer;font-size:18px;font-weight:600;padding:4px 0\"\u003eTechnical specifications\u003c\/summary\u003e\u003cdiv style=\"padding-top:12px\"\u003e\u003cdl style=\"margin:0\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eCore\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eCombustion modified core\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eTop surface\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eFR Spun Bonded Polypropylene\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eNominal roll coverage\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e15 m²\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eUnderside\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eThermoplastic Film\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eThickness\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e6.00 mm\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eNominal roll weight\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e13.7 kg 30.2 lb\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eWeight per unit area\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e909 g\/m² 27 oz\/yd2\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eRoll length\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e11.0 m 36.0 ft\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eRoll width\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e1.37 m 54 in\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eCore density\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e140 kg\/m³\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eFinished product density\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003e151 kg\/m³\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eEnd-use classification\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS EN 14499 HC\/U\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eThermal resistance\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS 4745 1.5 Tog\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eImpact sound improvement\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS EN ISO 10140-3  28 dB\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eManufacture\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eUnited Kingdom; BS EN 14499:2015\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #d6dfda;padding:16px 0\"\u003e\u003csummary style=\"cursor:pointer;font-size:18px;font-weight:600;padding:4px 0\"\u003ePerformance test results\u003c\/summary\u003e\u003cdiv style=\"padding-top:12px\"\u003e\u003cdl style=\"margin:0\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eCompression work after 1,000 impacts\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS 4098 \u0026gt;110 J\/m²\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eCompression work retained\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS 4098 \u0026gt;80 %\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eThickness loss after static loading\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS 4939 ISO 3416 \u0026lt;5.00 %\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eThickness loss after dynamic loading\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS ISO 2094 (R05) \u0026lt;5.00 %\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eResistance to cracking\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS EN 14499 Pass\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eHot metal nut test\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eBS 4790 Pass - Low radius of effect\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eReaction to fire\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eEN13501-1 Bfl-s1\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eIMO flammability\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eMSC 307 (88) Pt 5 Pass\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eIMO smoke and toxicity\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eMSC 307 (88) Pt 2 Pass\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #d6dfda;padding:16px 0\"\u003e\u003csummary style=\"cursor:pointer;font-size:18px;font-weight:600;padding:4px 0\"\u003eIndoor air quality\u003c\/summary\u003e\u003cdiv style=\"padding-top:12px\"\u003e\u003cdl style=\"margin:0\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eFrench VOC rating\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eA+\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eFrench CMR components\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003ePass\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eItalian CAM\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003ePass\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eFormaldehyde emission class\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eE1\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eAgBB\/ABG\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003ePass\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:6px 20px;padding:11px 0;border-bottom:1px solid #e3e7e3\"\u003e\n\u003cdt style=\"flex:1 1 180px;font-weight:600\"\u003eBREEAM NOR\u003c\/dt\u003e\n\u003cdd style=\"flex:1 1 180px;margin:0\"\u003eCompliant\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid #d6dfda;padding:16px 0\"\u003e\u003csummary style=\"cursor:pointer;font-size:18px;font-weight:600;padding:4px 0\"\u003ePlanning and fitting\u003c\/summary\u003e\u003cdiv style=\"padding-top:12px\"\u003e\n\u003cp\u003eDivide your required area by 15 and round up to whole rolls. Allow for cutting and fitting waste. Dimensions and weights are nominal.\u003c\/p\u003e\n\u003cp\u003eYour fitter should check the underlay against your carpet backing, subfloor and intended use. For underfloor heating, check the combined carpet and underlay tog with the heating supplier. Laboratory test figures describe the tested product; the complete fitted floor affects performance.\u003c\/p\u003e\n\u003cp\u003eFor installations with fire or marine requirements, ask your fitter to confirm the current certification for the complete flooring system before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.ballandyoung.com\/siteadmin\/resources\/cast-iron-6-iss-5.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload the manufacturer’s full technical datasheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/underlays\"\u003eCompare carpet underlays\u003c\/a\u003e or email \u003ca href=\"mailto:support@interiorsbysutton.com\"\u003esupport@interiorsbysutton.com\u003c\/a\u003e for help choosing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ball \u0026 Young","offers":[{"title":"Default Title","offer_id":57607692484981,"sku":"IBS-BY-CAST-IRON-6","price":100.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/5478\/8349\/files\/cast-iron-underlay-1-w768.png?v=1790331672","url":"https:\/\/interiorsbysutton.com\/products\/ball-young-cast-iron-6mm-underlay","provider":"Interiors By Sutton","version":"1.0","type":"link"}