“With minimal raw material trickling in, stockists of sawnwood and plywood are marking up prices by as much as 25-30%,” the ITTO said.

“Export prices of timber products, especially plywood, rose sharply amidst thunderstorms and law enforcement efforts to curb illegally-harvested timber from reaching various ports around the country.”

Seventeen people have been killed since unseasonably heavy rain started in December. Several areas have been severely affected, including the southern Indonesian state of Johor, a main player in the furniture industry.