After years of promoting it in European construction markets, Ireland’s Kingspan Group brought the Kooltherm K20 Concrete Sandwich Board for tilt-up and precast walls to North America in 2017, citing its potential to provide higher performance in thinner cross sections than prior insulating materials. The product is available in a standard size, approximately 48 x 90 in., or custom lengths, and thicknesses of about 2 to 4 inches, netting up to 35 R-value.
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