How to Install Metal Valley Flashing on a Standing Seam Metal Roof with a Slope Transition

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In this video we install a standing seam metal roof that has valleys with a slope transition. This is a fairly complex installation that takes a lot of time and patience. At the time of this video I searched the internet for instructions on how others have done this but I couldn't find anything. If you have any suggestions, questions, or general comments please drop them below in the comments section and I'll do my best to answer. Also, the links below are to videos about other metal roofing projects I have done if interested.

How to a Install Standing Seam Metal Roof, SSR 450 SL Panel Profile

How to Install a Standing Seam Metal Roof on a Bay Window

How to Make Kickout Flashing With Standing Seam Metal Roofing: Pole Building Side Wall Flashing

[calmistheway]

Do you realize this is the ONLY video on YT that shows a compound valley for standing seam? Nice work! this helped me.

[diegosandoval]

Nice work! Ive had trouble with a transition similar to this and I will have to try this method next time.

[kevindowner]

For your first valley roof this I'd damn impressive!

[alfredranger]

OMG at the minute 22:00 is when I realized you guys were working at a 4 12 pitch i really thought it was a 8 12
I was like how can these guys can stand up so easy?
Good job guys very detailing

[CL-elbd]

That's high quality work nice job fellas

[loriw]

Yes they know exactly how to take the transition into the valley! Please install my roof.... You must of scored an A in algebra when you were in high school!😊

[bluecruiser]

Great job on this install! About to do my own house with a similar transition so this was very helpful. Thanks for making the video.

[patrickfrank]

Even better instead of screwing right through that apron flashing try folding down the top 3/4”-1” and fastening it using clips hooking the top fold and screwing clip instead of all those holes in that nice new apron flashing.
Plus when caulking between valleys always leave wheel paths for sweat.
Metal roofs can get super hot and usually when it’s hot out people tend to crank the a/c units and can literally leak. Pretty amazing but true.
Keep up the good work

[patrickfrank]

Wow you seriously like the new legalization law.
You really put some thought into the legs lining up and actually nailed those lower panels first?

I wanna see the after video and see how much you guys learned.

Ever see a double lock valley? I double lock valleys, hips and ridges sometimes depending on slope.

All in all nice ethics skip. Do it once and do it right.

[ProcopiosFishingAdventuresUAE]

Great video. it helps me to learn a lot

[SuperBrockolee]

You don’t need to use crazy math to figure out lay out. But you do need to know you’re allowances for over lap based on local roofing code.

[savannahrei]

Sorry to hear about the hand that sucks! I was wondering about the vented ridge cap you put on with foam rather can Z bars at the top. I could not see if you actually had ridge vents cut in your roof. It looked like the blue underlayment went over the ridge.

[beardedroofer]

Good job in describing your work, though it seems like you've over-complicated a few things.
I've been roofing for 25yrs and am still learning new techniques, but sometimes the old school way still works best.
First, you're never going to be able to make a snap lock seam absolutely water tight, no one can, there's too much wiggle room. Go 1" dbl lock standing seam and you'll have no worries there.
Second, put a 2" lap on both sides of the valley, that'll eliminate the cleats, and the pans can be folded into the valley itself.
Third, when installing 1" standing seam, the pans are 20⅞" wide, they cover more area.
Fourth, also when installing 1" standing seam, the angle change (transition) can be made right into the pan by fabricating the bend into the locks themselves with a pair of needle nose pliers, eliminating all that extra metal transition trim.
And that's just the field, there are much simpler solutions for caps, hips, and stack (pipe) penetrations as well.
I'm not going to go any further 'cause y'all know the difference in styles. These are naught but suggestions. Good luck guys! And thanks for the video!

[cryptoland]

wear some protection sleeves next time. great job guys way to go!

[DdD-pijw]

Pythagorean theorem! No need for all that mess. 🤣

[phutsangtao-iQ]

What material is roofing in your country?

[MrBigtime]

I can see why this type of roofing is so expensive

[juanchooeduardo]

I would’ve got fired cutting that slow lmao

[Fathervinyard]

american standing seam roofs are a joke 30 year lifespan for that roof iffff that tbh … 120 plus years or more for a true standing seam roof in the uk