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            Howdens Underlay

            2 Products
              • Howdens High Performance 5mm Rigid Extruded Polystyrene Foam Underlay 10.8sq/m

                PRODUCT CODE: SDH0909

                • Compatibility Not Suitable for Underfloor Heating
                • Thermal Conductivity 0.024 W/mK
              • 4-in-1 Foil-Backed 3mm Low Density Polyethylene Underlay 10.8sq/m

                PRODUCT CODE: SDH0915

                • Compatibility Not Suitable for Underfloor Heating

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