Examined my large skylight more closely and found the outside left lower corner of the flange was pulling away from the caulk. I also noticed a heavier line of caulk at this corner. This leads me to believe the dealer noticed this leak sometime prior to my purchase and added more caulk. I also removed the interior trim and could see daylight in that corner. I'll seal it further using the Dicor sealant recommended. Will also get a sealing tape. Since I already have the trim removed I think I'll also add a light bead of caulk on the interior side of the skylight. Any thoughts on adding caulk to the interior side?
Since I 'very received so may helpful responses, let me ask another question unrelated to the skylight.
I have the habit of draining my water lines by releasing the low point drains. Opening the drains is easy, but I have difficulty closing the drains. Should be a simple matter of pushing down on the handle, but I find it difficult to push the handle down and it doesn't go down completely. I'll have to keep trying to close until they finally close. I've attached a photo of the drains.
Thanks so much for your response. Everyone has been very helpful.
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