단열 벽돌의 홈 내에 샘플을 위치시킨 부위의 온도와 그렇지 않은 부위와의 온도 차이로부터 단열 특성을 비교하였다.
Insulation property was compared from the temperature difference between the area where the sample was placed in the groove of the insulating brick and the area where the sample was not.