
Kooltherm Cavity Closer is a uPVC extrusion with a premium performance fibre-free rigid thermoset phenolic core. It provides a simple and efficient method of closing cavities around openings in masonry cavity walls.
• Inhibited heat transfer – reduces thermal bridging, condensation risk and mould growth
• Weather resistant – forms an integral DPC
• Can be fitted with door / window frames as a combined unit
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