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@nick_warner
Flashings -
Looking back I didn't take many (any) pics of this bit. I had 150mm 90 degree flashing for the wall corners and gable ends of the roof, and 2x 3m pieces of 150mm ridge flashing which was something more acute, but flexes to whatever your roof pitch is, within reason.
First I marked and cut the wall corner. I cut one side of the flashing straight and one at an angle, which would go up the side wall. This bit is all tricky to explain, and was some of trickiest stuff in the whole project
After I'd done the four corners I cut the pieces for the gable ends of the roof. These ones are called barge board I think.
I did some cutting and some folding to get something that looked respectable at the bottom of the roof's slope. But I couldn't find anything online really that related to the exact sort of hardware I had, so there was some freestyling involved here.
The ridge flashing was more straight forward in that respect - I just laid over the ridge and also over the end flashing and screwed in. In another sense it was very difficult because a) you have to silicone in foam 'eaves fillers' underneath, but until you have the ridge flashing up there it's hard to say exactly where the edge of the flashing will end up b) the silicone gets everywhere c) you're straddling the razor sharp ridge d) getting up there is very difficult as everything is clad in slippy red hot steel.
In the end I unscrewed some of the screws on the roof sheeting and used those holes to attach some studwork off cuts to make a walk ledge
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