Wood Fibre Made from softwood chips, these panels or mats use natural resins as glue. The airy fiber web keeps heat where you want it — inside. Supply chain in Ireland: Emerging Characteristics Advantages Excellent acoustic insulation Excellent thermal insulation Vapour-permeable and moisture-regulating Biodegradable and recyclable Disadvantages Sensitive to moisture if unprotected Needs chemical treatment for safety Can be bulky for transport and storage Expensive Possible Building Elements Internal Wall Insulation Facade External Wall Insulation Facade Under Rafter Insulation Roof External Rafter Insulation Roof Floor and Ceiling Insulation Floor Window Case Insulation Window Roller Shutter Insulation Window