{"product_id":"hush-cem-panel-18","title":"Hush Cem Panel 18 Cement Particle Acoustic Floor Board 1200 x 600 x 18mm","description":"\u003cstyle\u003e\n.sis-hush-cem18{width:100%;max-width:920px;margin:0 auto;color:#1a1a1a;font-size:17px;line-height:1.68;font-weight:400}\n.sis-hush-cem18 *{box-sizing:border-box;font-weight:400}\n.sis-hush-cem18 h2{margin:28px 0 12px;padding-left:12px;border-left:3px solid #B71331;color:#000;font-size:23px;line-height:1.3;font-weight:400}\n.sis-hush-cem18 p{margin:0 0 16px}\n.sis-hush-cem18 ul,.sis-hush-cem18 ol{margin:0 0 18px;padding-left:23px}\n.sis-hush-cem18 li{margin-bottom:7px}\n.sis-hush-cem18 .sis-seal-dimensions{padding:14px 16px;background:#f5f5f7;border:1px solid #e5e5e5;border-radius:8px;color:#B71331}\n.sis-hush-cem18 .sis-seal-contact{margin-top:26px;padding-top:20px;border-top:1px solid #e5e5e5}\n.sis-hush-cem18 a{color:#B71331}\n@media(max-width:600px){.sis-hush-cem18{font-size:16px}.sis-hush-cem18 h2{font-size:21px}}\n.sis-hush-cem18 .sis-spec-block{border-collapse:collapse;width:100%;margin:0 0 22px;font-weight:400}.sis-hush-cem18 .sis-spec-block td{padding:8px 10px;border:0;font-weight:400;vertical-align:middle}.sis-hush-cem18 .sis-spec-block .dataicon{width:55px}.sis-hush-cem18 .sis-spec-block img{width:35px;height:35px;object-fit:contain}.sis-hush-cem18 .sis-spec-block tr:nth-child(even){background:#f7f7f7}\u003c\/style\u003e\n\u003cdiv class=\"sis-hush-cem18\"\u003e\n\u003cp\u003eAdd acoustic mass while keeping floor height down. Hush Cem Panel 18 Cement Particle Acoustic Floor Board is a thin, dense overlay designed to improve airborne sound insulation and work above underfloor heating.\u003c\/p\u003e\n\u003cp\u003eEach 1200 x 600 x 18mm board covers 0.72m². Its cement particle construction has tongue-and-groove edges on all four sides and no bonded felt or rubber layer.\u003c\/p\u003e\n\u003ctable class=\"sis-spec-block\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"dataicon\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1377\/0999\/files\/Impact-rating35.png?v=1600508658\" alt=\"\" width=\"35\" height=\"35\"\u003e\u003c\/td\u003e\n\u003ctd class=\"datainfo\"\u003eImpact rating (UFH floor\/ceiling test): 56 dB L’nT,w\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"dataicon\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1377\/0999\/files\/Icon-_-Airborne-rating.png?v=1600250854\" alt=\"\" width=\"35\" height=\"35\"\u003e\u003c\/td\u003e\n\u003ctd class=\"datainfo\"\u003eAirborne rating (UFH floor\/ceiling test): 61 dB DnT,w \/ 57 dB DnT,w + Ctr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"dataicon\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1377\/0999\/files\/Thickness35.png?v=1600250854\" alt=\"\" width=\"35\" height=\"35\"\u003e\u003c\/td\u003e\n\u003ctd class=\"datainfo\"\u003eThickness: 18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"dataicon\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1377\/0999\/files\/Sheet-dimensions35_700986db-396e-4851-a410-6c8a03d0784c.png?v=1600510290\" alt=\"\" width=\"35\" height=\"35\"\u003e\u003c\/td\u003e\n\u003ctd class=\"datainfo\"\u003eBoard size: 1200 x 600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"dataicon\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1377\/0999\/files\/Icon___Area.png?v=1600510763\" alt=\"\" width=\"35\" height=\"35\"\u003e\u003c\/td\u003e\n\u003ctd class=\"datainfo\"\u003eArea: 0.72m² per board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eA thinner choice in the Hush Cem range\u003c\/h2\u003e\n\u003cp\u003eHush Cem Panel 18 gives you the high-mass board in an 18mm profile. Compare it with the thicker acoustic-backed \u003ca href=\"\/products\/hush-cem-panel-28\"\u003eHush Cem Panel 28\u003c\/a\u003e, \u003ca href=\"\/products\/hush-cem-panel-32\"\u003e32\u003c\/a\u003e, \u003ca href=\"\/products\/hush-cem-panel-33\"\u003e33\u003c\/a\u003e and \u003ca href=\"\/products\/hush-cem-panel-37\"\u003e37\u003c\/a\u003e when choosing the layers and floor height your project needs.\u003c\/p\u003e\n\u003ch2\u003eUnderfloor heating and acoustic performance\u003c\/h2\u003e\n\u003cp\u003eHush specifies Cem Panel 18 over extruded polystyrene UFH systems or roll-out electric heating mats. Thermal resistance is 0.069m² K\/W, helping heat pass through the overlay.\u003c\/p\u003e\n\u003cp\u003eHush’s published UFH floor and acoustic ceiling test returned 56 dB L’nT,w impact, 61 dB DnT,w airborne and 57 dB DnT,w + Ctr. The board adds mass for airborne insulation; the tested arrangement also addresses impact noise. Lower impact and higher airborne figures indicate better insulation in comparable tests.\u003c\/p\u003e\n\u003ch2\u003eInstallation essentials\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLay boards with staggered joints in a broken bond pattern.\u003c\/li\u003e\n\u003cli\u003eBond all tongue-and-groove joints with \u003ca href=\"\/products\/db-cem-panel-adhesive-1l-for-tongue-groove-joints\"\u003ecement panel adhesive\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIsolate the perimeter using \u003ca href=\"\/products\/hush-seal-20-perimeter-seal\"\u003eHush Seal 20\u003c\/a\u003e or \u003ca href=\"\/products\/hush-rd-flanking-strip\"\u003eHush RD Flanking Strip\u003c\/a\u003e. Use RD Flanking Strip where the Robust Details specification requires it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eHow many do I need?\u003c\/h2\u003e\n\u003cp\u003eDivide the floor area in m² by 0.72, include a cutting allowance if needed, then round up to whole boards.\u003c\/p\u003e\n\u003cp\u003eFor example, 20m² with an optional 10% allowance needs 20 × 1.10 ÷ 0.72 = 30.56, rounded up to 31 boards.\u003c\/p\u003e\n\u003csection class=\"sis-hush-addons\" data-sis-hush-addons=\"v1\"\u003e\u003ch2\u003eYou’ll also need\u003c\/h2\u003e\n\u003cp\u003ePlan adhesive from the floor area and perimeter isolation from the room edge measurements. Choose the specified perimeter detail: Hush Seal 20 and Hush RD Flanking Strip are alternatives.\u003c\/p\u003e\n\u003cp\u003eFor example, a 5m × 4m room is 20m² with an 18m perimeter: allow 1 adhesive bottle and 2 lengths of Hush Seal 20, or 1 roll of Hush RD Flanking Strip where specified. Allow extra for cuts, joints and awkward edges.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0\"\u003e\n\u003cli style=\"margin:0 0 14px;padding:14px;border:1px solid #e5e5e5;border-radius:6px;font-weight:400\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:400\"\u003e\u003ca href=\"\/products\/db-cem-panel-adhesive-1l-for-tongue-groove-joints\"\u003eCement panel joint adhesive\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 10px\"\u003eEstimate one 1L bottle per 20m² for tongue-and-groove joints; round up.\u003c\/p\u003e\n\u003ca href=\"\/products\/db-cem-panel-adhesive-1l-for-tongue-groove-joints\" style=\"font-weight:400\"\u003eView details\u003c\/a\u003e   \u003ca href=\"\/cart\/add?id=12397869301839\u0026amp;quantity=1\u0026amp;return_to=%2Fcart\" aria-label=\"Add one bottle of Cement panel joint adhesive to your basket\" style=\"display:inline-block;padding:7px 12px;border:1px solid #B71331;border-radius:4px;font-weight:400;text-decoration:none\"\u003eAdd 1 bottle\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0 0 14px;padding:14px;border:1px solid #e5e5e5;border-radius:6px;font-weight:400\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:400\"\u003e\u003ca href=\"\/products\/hush-seal-20-perimeter-seal\"\u003eHush Seal 20 perimeter seal\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 10px\"\u003eDivide the room perimeter in metres by 10 and round up.\u003c\/p\u003e\n\u003ca href=\"\/products\/hush-seal-20-perimeter-seal\" style=\"font-weight:400\"\u003eView details\u003c\/a\u003e   \u003ca href=\"\/cart\/add?id=59148252676479\u0026amp;quantity=1\u0026amp;return_to=%2Fcart\" aria-label=\"Add one 10m length of Hush Seal 20 perimeter seal to your basket\" style=\"display:inline-block;padding:7px 12px;border:1px solid #B71331;border-radius:4px;font-weight:400;text-decoration:none\"\u003eAdd 1 10m length\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0 0 14px;padding:14px;border:1px solid #e5e5e5;border-radius:6px;font-weight:400\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:400\"\u003e\u003ca href=\"\/products\/hush-rd-flanking-strip\"\u003eHush RD Flanking Strip\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 10px\"\u003eAlternative perimeter detail where specified, including Robust Details. Divide perimeter metres by 50 and round up.\u003c\/p\u003e\n\u003ca href=\"\/products\/hush-rd-flanking-strip\" style=\"font-weight:400\"\u003eView details\u003c\/a\u003e   \u003ca href=\"\/cart\/add?id=59150649524607\u0026amp;quantity=1\u0026amp;return_to=%2Fcart\" aria-label=\"Add one 50m roll of Hush RD Flanking Strip to your basket\" style=\"display:inline-block;padding:7px 12px;border:1px solid #B71331;border-radius:4px;font-weight:400;text-decoration:none\"\u003eAdd 1 50m roll\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdd each extra you need, then adjust its quantity in your basket.\u003c\/p\u003e\u003c\/section\u003e\n\u003cp class=\"sis-seal-contact\"\u003eFor help with the right quantity for your project, call our technical team on 01928 571 856 or email \u003ca href=\"mailto:hello@soundinsulationstore.co.uk\"\u003ehello@soundinsulationstore.co.uk\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HUSH","offers":[{"title":"Default Title","offer_id":59172466491775,"sku":"HUSHCEM18","price":31.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1377\/0999\/files\/Hush_Cem_Panel_22.webp?v=1794500152","url":"https:\/\/www.soundinsulationstore.co.uk\/products\/hush-cem-panel-18","provider":"Sound Insulation","version":"1.0","type":"link"}