The guage looks stretched to the max to me
+1
Measure the distance between the tiles (bottom edge to bottom edge) is should be no more than around 343mm - The maximum gauge for most tiles like that at over 30 degrees pitch
The guage looks stretched to the max to me
Even if the gauge is stretched a bit.It shouldn't leak
Need some pics of loft.We also don't use tyvek now,as it does give condensation problems.
TidyCompo work's neat
I'll take that one! How much?I'd stake my money that the dampness is condensation.
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