Unit 13 Outside & inside corners metal on comp roof

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OUTSIDE & INSIDE CORNERS

Question #1: On a comp roof, does the endwall flashing get slammed all the way down to the deck?

Yes, for maximum sealing
No, it floats over the ridge
No — it sits up about ¼”, high enough for two shingles to slide underneath without fighting
Only on metal roofs

Question #2: How far should flashing extend past the wall line to properly do an outside corner?

3 inches
6 inches past the wall line — on both sides if it’s a smaller wall and one piece of metal can reach
1 inch
Flush with wall edge

Question #3: After making your relief cut on an inside corner, does the metal bend down over or behind itself?

Question #4: Where should nails be placed when fastening sidewalls and endwalls?

Question #5: How much extra material is needed to counterflash an outside corner and also make an inside corner in the same stick?

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