BUILDING MATERIAL COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a building material which satisfies humidifying and/or deodorizing and further aesthetic requirements and is excellent in the balance of the amount and rate of moisture absorption and release by further effectively utilizing vermiculite as a natural resource. SOLUTION: This building material composition is formed by compounding the unexpended vermiculite with a base material and is 5 to 70 mass% in the compounding ratio thereof to the total composition (solid content).