Scan-Line 40 is covered by soapstone, which is well-known for its good quality to keep the heat longer and gradually give off heat during a longer period. Scan-Line 40 is an alternative range to woodburning stoves/Thermal mass stoves. It is a timeless simple design, where it is possible to regulate the convection airflow just above the door handle. When the convection air is turned off, the stoves changes from a convection to a traditional mass stove. The weight on this about 550 kg woodburning stove can be increased further by adding up to 100 kg thermastones.