PolyFoam XPS

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    CPD

    CPD 17 2026: Using XPS insulation below DPC level in cavity walls

    2026-10-09T05:00:00Sponsored by

    Sponsored by PolyFoam XPS, this CPD module explores the principles behind using extruded polystyrene (XPS) insulation in masonry cavity walls below damp-proof course (DPC) level, examining relevant Building Regulations guidance, detailing approaches and the role of thermal modelling in achieving robust building performance