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I just had a brand new aluminum standing seam roof installed. We have six(6) Velux V06 skylights. The roofer used the "step flashing" that is designed for shingles and then caulked around the skylights and put some roof screws below. Is this acceptable? I have already paid in full and did not notice this until a week later.
When I asked why they did not use the EDM / metal flashing he said that they have installed thousands of these and have had nothing but issues and complaints with that flashing from Velux and this is the way that they do it and do not have any issues or complaints. Is this something I should be worried about long term?
I have seen worse. Their method seems very heavily dependent on sealant. I am curious what the uphill side of the skylights looks like. Have you contacted your roofing manufacturer to see what they call for? Also, are you clear on what sort of workmanship warranty your contractor is giving on the skylight flashings?
Thanks Todd. The uphill side of the flashing is tucked under the standing seam and I know they used the adhesive kit, etc.. that came with the Velux skylights and also placed the underlayment up to it correctly. They have a 1 year warranty on their work and we have been in a very heavy rainstorm with 40mph right after they finished with no issues.
I doubt I could get them to change something at this point but am wondering if you think I'm going to have an issue long term?
It is very difficult to say because so much is now hidden from sight. I will say this -- even the best sealants, if you're heavily dependent on them, tend to max out at 15 - 20 years. Of course, even the best skylight only has a 20 year warranty, too.
Thanks Todd. I'll just make a point to check on the sealant every once in a while. The roofer did offer today to extend his warranty on labor / skylights to as long as the company is in business, in writing, and if we have any issues in the next year to remove all the panels, and replace the flashing kits so we're going to go with it.
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