Study on the fire protecting performance of wooden external wall with rockwool insulation study

Fire resistance tests are conducted on small-scale specimens of wooden wall with different positions and thicknesses of rockwool insulation in the wall. The tests have revealed significant influence that position and thickness of insulation in the wall give to the fire protecting performance of the wooden wall. It has been also clarified that putting insulation between wooden posts does not always make mechanical fire resistance improve, because positional relation between wooden post and insulated layer changed thermal distribution in the wall and damage wooden post given.