What is IsoBoard? IsoBoard manufactures premium thermal insulation boards made of highdensity rigid polystyrene for use in ceilings, inside cavity walls or underneath floors. It greatly improves ...

2 When replacing a ceiling, leave the existing ceiling as is and simply install IsoBoard directly underneath - a quick and permanent solution with minimal mess or fuss! 3 Adjacent boards interlock ...

Overview of Key Commercial Roof Insulation Options: Extruded Polystyrene (XPS): A rigid foam board known for moisture resistance, consistent thermal performance, and high compressive strength, ideal ...

NRCA has updated their R-value recommendation for polyisocyanurate roof insulation with the publication of the 2011 The NRCA Roofing Manual: Membrane Roof Systems. The new recommendation for R-value ...