Discussion Board Forum for Vinyl Windows

Unfortunately the calling is caulked to the siding. I’m not 100% sure what is underneath but I highly doubt the j channel is tied into the WRB.

Attached are photos closer up.

This is one I had on my phone, I can take another one closer up when I get home later. Ignore the yellow circle please.

Thanks for all the feedback. The installation ended up a bit different then what was previously described. The old window fins weren’t left in place so the whole frame was ripped out. Foam was used and new j-channel was installed so that the siding could terminate to the J. Then exterior capping was...

@thewindownerd attached is a photo of one of the windows. It doesn't look like there is an existing drip cap. I do understand your method below but not sure if it would apply in this case because I believe the whole frame is being removed.

Thanks everyone for the info. The current windows that are installed have the nailing fins with what I believe is an integral J-channel since there is no j-channel installed around them. I would assume cutting the flanges and leaving them installed would constitute the need for a drip cap over each ...

I forgot to add that we have vinyl siding on all sides of the house.

Our home was built in 2007 with cheap MI flanged windows. Many of them have lost their seal and we have decided to replace them. We are going with a replacement window instead of a flanged window. I have spoken with the contractor about how he intends to keep a waterproof seal with the new replaceme...