Building material formed from recycled resources and installation method thereof

A building material guarding against a sick house (indoor air pollution) and using coffee grounds after drinking as a recycled resource, and an installation method thereof. A building material giving combined performance effects including sound-proofing/vibration controlling performances added by further mixing into the above building material the shreds or powder of discarded used tires. The building material consisting of recycled resources, characterized by comprising a laminate and a platy material covering the laminate thereinside, the laminate being formed by consolidating with a plaster material a raw material obtained by drying coffee grounds after drinking coffee (made by roasting and grinding coffee beans) or obtained by further roasting the dried coffee grounds; and the building material consisting of recycled resources, characterized by comprising a laminate and a platy material covering the laminate thereinside, the laminate being formed by mixing into the raw material consisting of coffee grounds shreds and/or powder obtained by shredding used tires and further mixing the resultant material into a plaster material for consolidating.