| abstract |
PROBLEM TO BE SOLVED: To propose a composite building material which is excellent in productivity, has excellent bending strength and compressive strength, and can provide a building material capable of driving nails without cracks at low cost. It is in. SOLUTION: In a composite building material in which a composite layer composed of a fiber base material and a resin is formed on at least one surface of a core material, the core material is an amorphous material composed of a composite system of at least two or more oxides. A composite building material comprising a porous body and a fibrous material in the amorphous body. |