{"product_id":"thermosphere-heating-foil-cement-overlay-board","title":"ThermoSphere Heating Foil Cement Overlay Board","description":"\u003cp\u003eThermoSphere Cement Overlay Boards are 5mm cement-based panels fitted above ThermoSphere Heating Foil, providing a moisture-resistant overlay suitable for wet or moisture-prone areas.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5mm cement-based overlay board, 1.2m x 0.5m per board, supplied in pairs (0.72m²)\u003c\/li\u003e\n\u003cli\u003eSuitable for moisture-prone areas where a cement-based overlay is preferred\u003c\/li\u003e\n\u003cli\u003eProtects the heating foil and cables beneath the finished floor\u003c\/li\u003e\n\u003cli\u003eProvides a stable surface for suitable floor finishes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eUsed above ThermoSphere Heating Foil in bathrooms, utility rooms and other areas where a cement-based, moisture-resistant overlay board is preferred over standard HDF boards.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Features\u003c\/h3\u003e\n\u003cp\u003eFitted above the cushioning overlay and heating foil, the cement board provides a firm, moisture-resistant surface suited to wetter environments.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned for use with the ThermoSphere Heating Foil (WCVF-140) range, in addition to the standard Cushioning Underlay and Overlay.\u003c\/p\u003e\n\u003cp\u003eSupplied by Millcot as part of our full ThermoSphere underfloor heating range.\u003c\/p\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/ThermoSphere_Foil_Data_Sheet_2026.pdf?v=1786482316\" target=\"_blank\" rel=\"noopener\"\u003eThermoSphere Heating Foil Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/Foil_Instructions_2026.pdf?v=1786482317\" target=\"_blank\" rel=\"noopener\"\u003eThermoSphere Heating Foil Installation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhen should I use this instead of the HDF board?\u003c\/strong\u003e\u003cbr\u003eChoose the cement overlay board for wetter or moisture-prone areas where a cement-based board is preferred over standard HDF.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does one pack cover?\u003c\/strong\u003e\u003cbr\u003eEach pack is a pair of boards covering 0.72m² — calculate packs needed for your total floor area.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I still need the cushioning underlay and overlay?\u003c\/strong\u003e\u003cbr\u003eYes, this board is an additional layer used alongside the standard cushioning underlay and overlay.\u003c\/p\u003e","brand":"ThermoSphere","offers":[{"title":"0.72m² (1 Pair)","offer_id":58162683511167,"sku":"WCVF-CBHO","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/8d1ef9cb-1d2e-490d-9644-badaea00a9e8.jpg?v=1786547479","url":"https:\/\/www.millcot.com\/products\/thermosphere-heating-foil-cement-overlay-board","provider":"MILLCOT","version":"1.0","type":"link"}