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![Kingspan Thermawall TW50 1200 x 450 40mm (Pack of 12)](http://www.cutpriceinsulation.co.uk/cdn/shop/files/TF70_a8c44af6-cd63-4601-b636-b03730d68cf8_grande.jpg?v=1721998882)
Kingspan Thermawall TW50 40mm is a high performance cavity wall insulation with a fibre-free rigid thermoset polyisocyanurate (PIR) core.
Thermawall TW50 insulation boards are easy to cut and handle, ensuring an efficient installation process. They are available in a range of thicknesses from 40mm up to 100mm