ThermoSphere Ultimate HDM-015 Decoupling Membrane Roll neutral cure silicone 48 x 20kg bags of

48 x 20kg bags of Larsen Fibreflex Standard Set+ White tile adhesive

Trusted by tilers

certified bonded system component

Can it be tiled over

Exceeds S1 flexibility — maximum movement accommodation

ThermoSphere Ultimate HDM-015 Decoupling Membrane Roll neutral cure silicone 48 x 20kg bags ofThe ThermoSphere HDM 015 Decoupling Membrane Roll is a professional grade polypropylene decoupling membrane designed for use with electric underfloor heating systems. It provides effective decoupling, insulation, and protection against substrate movement, helping to prevent cracking in tile and stone floor installations. The studded surface secures heating cables in place, while the fleece backing bonds firmly to the adhesive bed, creating a reliable,