Recticel Eurowall® + Cavity Wall Insulation | 1200mm x 460mmRecticel Eurowall + is a premium, high performance full fill insulation board with precision cut tongue and groove joints on all four sides. This ensures that the boards lock tightly together minimising heat loss through thermal bridging. This unique joint offers increased protection against wind driven rain as well as improved wind tightness. Eurowall + is also designed with a 10mm cavity requirement in mind, so that space can be left for