Thickness Sq/Ft Per Pallet Sheets Per Pallet R Value 0.75 In 1920 60 R5 1 In 1536 48 R6 1.5 In 960 30 R10 2 In 767 24 R13.1 2.3 In 640 20 R15.3 3 In 512 16 R20.3 The RMax Below Grade 4ft x 8ft Insulation Board is a cutting-edge solution designed for a variety of below-ground insulation needs. Crafted from high-quality polyisocyanurate (polyiso) foam, this insulation board measures 96 inches in length and 48 inches in width, providing an ample coverage area of 32 square feet. The polyiso material is renowned for its exceptional thermal insulation properties, making this board an ideal choice for enhancing energy efficiency in below-grade exterior walls, blind side walls, under slab, and slab on grade applications. Its size and coverage capabilities ensure that large areas can be insulated efficiently, reducing the need for multiple pieces and seams that could compromise the insulation layer. The construction of the RMax Below Grade Insulation Board features a polyiso foam core that is bonded to reinforced polymeric facers on both sides. This unique composition results in a closed-cell and closed matrix foam core that offers superior resistance to water absorption. The durable facers provide an additional layer of protection, especially important during the backfill process in below-grade installations. This multi-layered defense mechanism not only enhances the insulation's effectiveness but also extends its lifespan by guarding against moisture and physical damage. It's an optimal solution for those seeking a robust insulation system that maintains its integrity and performance over time. Designed specifically for challenging environments, the RMax Below Grade Insulation Board excels in applications where moisture resistance and durability are critical. Its advanced material composition and thoughtful design cater to the specific needs of below-grade insulation, offering unparalleled energy efficiency and protection against the elements. Whether it's used for exterior walls that come into contact with the soil, blind side walls adjacent to earth-filled areas, insulation under concrete slabs, or in slab-on-grade constructions, this insulation board stands up to the task. It's an investment in energy efficiency and structural integrity, ensuring a comfortable and secure environment for years to come.
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