그라스울판넬 벽체작업(10.28) / GRASWOL PANEL WALL WORK

그라스울 판넬은 화재시에도 불이 잘 붙지 않고 단열이 잘 되는 재질인데, 요즘은 구하기 힘들다고 한다 / Grass wool panels are made of materials that are resistant to fire even in the event of a fire and are easily insulated, but they are said to be difficult to obtain these days