Skylight flashing

user182

I have a quote I am working on that involves skylights that are currently leaking.

Any suggestions on how to handle these skylights?
They appear to be custom made.

Attached Images

	Angileri 001.jpg (97.7 KB, 7 views)
	Angileri 002.jpg (97.4 KB, 5 views)

user182

Here is the third skylight that also is leaking.

Attached Images

Angileri 011.jpg (98.3 KB, 5 views)

Ed the Roofer

They made a foolish decision to install vertical skylights in a horizontal position, thereby necessitating the fabrication and installation of very poorly fabricated skylight flashings.

I had that 2-3 years ago also, and did my normal Ice and Water shield, or if were a flat slope roof, modified bitumen, from the roof decking up the curb side walls and terminating to the top of the curb.

For the new sheet metal, I would create a slight water diverting saddle and ensure that the corners wrapped around and not be left with open missing sheet metal, like the one by the window is now.

Ed

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user182

I asked my supplier for an opinion about it and they recommended locating the skylights farther away from the walls so that a proper flashing could be installed.

He checked with Velux and the recommended that a skylight should be at least 12” away from a vertical wall. Velux we let me no more after reviewing the photo.

Velux does not make a skylight 86” wide like the widest skylight. I think the maximum they make is 73” or so.

I would have to remodel the shaft. I have never done any drywall work so I would have to engage in hiring unknown subs if I take that on.

I’m going to call the owner and tell them that the skylights would have to be relocated or I don’t want the job. I’m scheduled to go back with a proposal tomorrow at 12:30. I don’t know if it would be wise for me to invest more time on this quote if they don’t like the idea of relocating the skylights. I already spent a lot of time doing the onsite evaluation.

Grumpy

Sell them new Velux FCM with grace and custom flashing kits. You van get fcm custom made to any size.

Just write into your proposal "Drywall work patching and painting by others."


Edit, ok I didn't know they were 86" wide. Sell them velux Metrolite. i think they go larger than 72" in their acrylic bubble lites. 72" is the largest they will go with glass.

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Interloc

Is it the skylite itself thats leaking or the flashings?

user182

Probably both are leaking.

Ed the Roofer

Charge them for a dismantling of the flashings and see if there are any leak stains on the top of the wood curb.

If so, then the glass seal is leaking. Then they need new skylightls.

If not, then they need the curbs to be made water-tight.

You could also use fully adhered EPDM as the flashing, but I would still feel more comfortable with the Grace Ice and Water Shield.

Ed

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Just Wait A Minute, I Will Be Right Back With A Link For That.
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Roof Estimates, Roof Repairs, Roofers, Roof Leak Help, Elgin, Carpentersville, East Dundee, West Dundee, Sleepy Hollow, Algonquin, South Elgin, Huntley, Lake In The Hills, Illinois

red_cedar

Had it always been leaking? If not net some seal ( sealant) gave way.

I think it would be a mistake to move it away from the house, and the ridge for that matter, water/ice and debris will just have a chance to build up.

If it was me I would apply an Ice and water shield like WR grace, make a new flashing system, perhaps slightly improved. Use buytl tape for the glass seal
With the one on the ridge a slight bend in the center of back pan will act as a dirverter as well as some small piece of something like a shingle piece underneth. Metal should also extend out farther out on the top, I think it would not be a bad idea to work the top course of shingle across on to the metal, it will help reduce the exposed back pan edges.
Both were placed so they get minimal water.
Understand how they are put together and go from there to correct them.

Doesnt look all hacked up, someone put some thought into those.

Ed the Roofer

Be serious, look at the missing sheet metal on the corners over the cap shingles.

Ed

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Just Wait A Minute, I Will Be Right Back With A Link For That.
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Roof Estimates, Roof Repairs, Roofers, Roof Leak Help, Elgin, Carpentersville, East Dundee, West Dundee, Sleepy Hollow, Algonquin, South Elgin, Huntley, Lake In The Hills, Illinois