The object of the invention is a thermoroll for a paper/board machine or a
finishing machine, the said thermoroll comprising a shell (2; 4, 5) of
metallic, ceramic or composite material, the shell incorporating ducts (3;
9) for passing a heating medium from one axial end of the shell to its
opposite end. The shell is made by means of casting or powder
metallurgical methods, and the ducts (3; 9) are formed in the matrix
material of the shell which is of metal and/or ceramic, directly in
connection with manufacture. A further object of the invention is a method
for manufacturing a thermoroll.
