{"product_id":"thermosphere-decoupling-membrane-5m-roll-hdm-005","title":"ThermoSphere Decoupling Membrane 5m² Roll (HDM-005)","description":"\u003cp\u003eThe ThermoSphere Decoupling Membrane 5m² (HDM-005) is a fleece-backed polyethylene membrane engineered as the installation substrate for the ThermoSphere Ultimate heating cable, and as a stand-alone anti-fracture layer beneath ceramic, porcelain and natural stone tiles.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFleece-backed polyethylene membrane, 5.5mm thick\u003c\/li\u003e\n\u003cli\u003eNeutralises lateral movement to minimise cracking and delamination\u003c\/li\u003e\n\u003cli\u003eProvides a waterproof layer when combined with ThermoSphere waterproofing products\u003c\/li\u003e\n\u003cli\u003eCompatible with ThermoSphere Ultimate heating cable at 130W\/m² or 195W\/m²\u003c\/li\u003e\n\u003cli\u003eSuitable for both heated and unheated tiled floors\u003c\/li\u003e\n\u003cli\u003eRobinson test rated for extra heavy use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for tilers, bathroom fitters and wetroom installers preparing floors in bathrooms, kitchens, hallways and living areas before tiling, with or without underfloor heating.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Features\u003c\/h3\u003e\n\u003cp\u003eAdhered to the substrate with a flexible tile adhesive, the membrane's dimpled structure decouples the tile finish from movement in the substrate below, reducing the risk of cracked grout and lifted tiles.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eWorks with the full range of ThermoSphere Ultimate cable sizes (HDMC-012 to HDMC-200) and with ThermoSphere waterproofing paste and tape for a fully tanked floor build-up.\u003c\/p\u003e\n\u003cp\u003eSupplied by Millcot, your trade source for ThermoSphere underfloor heating and floor preparation systems.\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_Ultimate_Data_Sheet.pdf?v=1786482319\" target=\"_blank\" rel=\"noopener\"\u003eThermoSphere Ultimate 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\/ThermoSphere_Ultimate_Membrane_Instructions.pdf?v=1786482329\" target=\"_blank\" rel=\"noopener\"\u003eThermoSphere Ultimate Membrane Installation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan I use this without underfloor heating cable?\u003c\/strong\u003e\u003cbr\u003eYes, HDM-005 works as a standalone anti-fracture and decoupling layer under tiles even without heating cable installed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat adhesive should I use?\u003c\/strong\u003e\u003cbr\u003eBed the membrane in a flexible, polymer-modified tile adhesive suitable for movement-prone substrates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it waterproof on its own?\u003c\/strong\u003e\u003cbr\u003eThe membrane alone is not a certified tanking system; use with ThermoSphere Waterproofing Paste and Tape to create a waterproof layer for wetrooms and showers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work over timber floors?\u003c\/strong\u003e\u003cbr\u003eYes, provided the timber substrate is stable and suitable for tiling; always follow the datasheet installation guidance.\u003c\/p\u003e","brand":"ThermoSphere","offers":[{"title":"5 sqm Roll","offer_id":58162606735743,"sku":"HDM-005","price":77.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/7f9b0300-5f5c-43a9-bfa2-e99b3a2da6ab.jpg?v=1786516377","url":"https:\/\/www.millcot.com\/products\/thermosphere-decoupling-membrane-5m-roll-hdm-005","provider":"MILLCOT","version":"1.0","type":"link"}