On Tuesday, March 4, 2014 9:23:02 PM UTC, wrote:
Hi Robert,



We extended our house over a year ago, installing a new section of slate roof. We are experiencing the same "snap, crackle, pop" sound you described whenever the temperature drops at night. We now sleep in the old part of the house whenever it is cold. Did your roof settle down eventually or are we going to have to do something to fix the problem?



Douglas

Yes it did settle and now makes no noise at all you will be relieved to hear.

It took one hot summer to dry out the timbers in there. We now sleep in that room.

I think it got very wet when they built it - they took many weeks to do it and it did rain directly onto the battens several times. I think that what happens is that the timbers freeze to each other and then the further contraction in the cold breaks the ice going "snap crackle pop". Now the water has all evaporated there is nothing to freeze.

Robert