防火门  1 小时额定值预订

Fire Door – 1 Hour Rating

Afire dooris a type of door, or barrier used as apassive fire protectionitem within buildings to prevent the spread of fire or smoke which may consist of dangerous chemicals. It is usually the only means of allowing people to pass through a fire-resistance rated wall assembly.

Fire doorsare made of a combination of materials, such as: timber, steel, gypsum (as an endothermic fill), vermiculite-boards.
**5-6week+ working & delivery day.**
1-2month++ lesen apply.
Special made order confirm is not returnable