Husk
Husks such as rice or spelt are natural by-products with tiny air pockets that trap heat and regulate moisture. They’re renewable, breathable, and ideal for sustainable insulation.
Supply chain in Ireland: Emerging
Characteristics
Advantages
Excellent acoustic insulation
Excellent thermal insulation
Lightweight and easy to handle
Low susceptibility to fire
Disadvantages
Sensitive to moisture if unprotected
Requires binders or resins