
What are the fire rating of wooden fire doors
1. Class a fire door:
Class a fire door is a class of fire door, it is also known as fully insulated fire door, in a certain period of time can meet the requirements of fire insulation and fire integrity, expensive, but strong practical.
2. Class B fire door:
Class B fire door takes the second place, also known as partial heat insulation fire door. Its fire resistance and heat insulation are less than fire integrity in a certain period of time, and the resistance time in front of fire is lower than that of class a fire door.
3. Class C fire door:
Class C fire door, also known as non thermal insulation fire door, does not have fire resistance and heat insulation performance, can only meet the requirements of fire integrity, so it is not recommended to buy.
fire-proof wooden door
The above is a brief introduction of the fire rating of wooden fire doors. I believe that through the above introduction, we will have a further understanding and understanding of the fire rating of wooden fire doors
