Hello.
Can I achieve 30 min fire resistance with a stud wall comprising off 75mm timber and a single layer of 9.5mm plasterboard on each side if the cavity is filled with a rockwool type insulation?
Any ideas?
Thanks in advance.
Can I achieve 30 min fire resistance with a stud wall comprising off 75mm timber and a single layer of 9.5mm plasterboard on each side if the cavity is filled with a rockwool type insulation?
Any ideas?
Thanks in advance.