This summer, I'm going to replace the panel above a bay window and fix the transition from the panel to the tar paper roof. See image! As you can see, it's a mess of "repairs" where I suspect it leaks. I believe the panel itself is called a "base panel."
I plan to: tear down the existing panel, install a new one, and create a transition so it doesn't leak at the seam.
How can I do this in the best way? What techniques can I look into? See how it's done in the image - is that how it's supposed to be done? Image in two versions, one zoomed in
A 2 cm drip edge in the panel and a corresponding catch plate underneath to direct water off the roof is really the only sensible solution. Compare this to the connection of the roof to the verge board. Same principle!
The roofing felt should go -under- the panel and then the drip flashing on top and free-standing, a few cm above the felt roof, then a 90-degree angle and attached to the wall likewise -under- the panel and up maybe 10 cm above the panel's drip edge.
However, a felt roof is probably inadequate in itself as an exterior roof for houses. On it, battens, roof sheets, and the ridge can be mounted if it is to be done properly!
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