6.55m2 per pack|Thickness: 100mm, Length: 1200mm, Width: 455mm|Excellent thermal performance|Non-combustible A1 Euroclass Reaction to Fire classification|Manufactured using a water repellent additive|Fully fill the cavity to prevent mortar snots and prevent bridges|Slabs are sized to fit between wall ties without the need for retaining discs|Quick and easy to install|British Board of Agrment approved for use in all exposure zones