CPD

Earn your CPD points with Building by completing CPD modules online. Each module includes a full technical article followed by a form to fill out to download your certificate. All modules are fully CPD accredited.

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

Sponsored 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

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