What is the difference between Standard, Premium and Ultima radiant barrier?
The primary differences in RadiantGUARD® Standard, Premium and Ultima radiant barriers are in the weights of each and the puncture and tear resistance factors. Ultima is our most durable and industrialized radiant barrier with an extremely high puncture and tear resistance factor. It is ideal stapled to the underside of roof rafters and stapled to wall studs as a house wrap. Ultima perforated can also be laid over the attic floor. Premium is our next durable product and is the most versatile of our radiant barriers ideal for both stapling to attic rafters and laying over the attic floor. Standard is our entry level radiant barrier with the least puncture and tear resistance making it primarily suited for laying over the attic floor. All RadiantGUARD® radiant barrier products are high quality, double-sided, tear and puncture resistant radiant barrier products of higher quality than many of the other radiant barrier products in the marketplace. They each BLOCK 97% of the radiant