RadiantShield Premium 4RadiantShield Premium Our Premium range is suitable for large scale building operations. RadiantShield Premium comprises a 4 mm XPE foam core. Although XPE and EPE may look similar, their construction has significant differences. Notably, with this product, we've achieved compliance with the flammability requirements for building materials as stipulated under the BCA. The outside surface is made of Polished aluminium, as usual. However, it's also