Big House problem solver: banging in the roof

‘We have a massive problem, and no one can tell me what it is,’ Carol began her call to Big House on Saturday. 

Her roof has been making loud banging noises since she got it installed, she explained. She has ruled out the possibility of a possum living in the roof. 

3AW listeners called in with suggestions as to what the banging could be caused by.

In the end, Darren’s guest Daniel Mazzei from Mazzei Homes was able to solve the mystery. 

Click PLAY below to hear his answer.