hi guys,
I'm sure this question has been asked a few times but there have been conflicting answers. All I'm after is can I use a single sheet fire line plasterboard to wrap a steel in or does it have to be 2 layers ( staggered of course)
Many thanks in advance
Steve
I'm sure this question has been asked a few times but there have been conflicting answers. All I'm after is can I use a single sheet fire line plasterboard to wrap a steel in or does it have to be 2 layers ( staggered of course)
Many thanks in advance
Steve