150mm Insulation Board

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150mm Insulation Board Types and Applications A 150mm insulation board is a high-performance specification, typically chosen when thermal resistance is the priority and build-up depth is not a constraint. At this depth, a single layer of PIR or phenolic board can deliver the thermal resistance levels associated with low-energy and high-specification new build projects, making it a common choice for ground floors in passive-standard builds, deep rafter roof constructions, and heavily insulated wall systems. Insulation UK stocks the full range of rigid insulation boards at 150mm from all the leading manufacturers, with competitive trade pricing and fast UK-wide delivery on every order. 150mm PIR Insulation Boards PIR insulation board at 150mm is the most commonly specified product in this category. Delivering a thermal conductivity of 0.022 W/mK in a foil-faced, lightweight format, these boards are suitable for solid and suspended floors, framed wall systems, pitched roof applications, and flat roof warm deck build-ups. If Celotex is your preferred option, then the XR4150 is the product of choice at this thickness, sitting in their XR (extra resistance) range and designed specifically for projects where a superior level of thermal performance is required. For floor insulation in particular, Kingspan ThermaFloor TF70 is widely used beneath screed and above ground-bearing slabs, and is compatible with underfloor heating systems. Kingspan ThermaWall TW55 is the go-to board for timber and steel frame wall systems, while Kingspan ThermaPitch TP10 is a standard specification for between-rafter and below-rafter pitched roof work. Recticel Eurothane GP, Ecotherm Eco-Versal, and Unilin PIR complete the range, all sharing the same thermal performance characteristics. 150mm Phenolic Insulation Boards Where a project requires maximum thermal efficiency within a constrained build-up, phenolic boards at this depth outperform PIR in an identical profile. Kingspan Kooltherm K103 achi