05:04PM | 07/17/05
Member Since: 07/16/05
1 lifetime posts
We had Anderson Velux roof windows professionally installed about five years ago. From day one they leaked and neither the contractor nor Anderson was any help. In fact one of Anderson's phone reps. told me that all Velux windows would leak and that they could not be disassembled and reglazed. I have tried untold numbers of caulks-from silicone to butyl - and the only thing that works is taping 3 mill plastic around them with duct tape. My brother in law - a marine mechanic says 3M caulk # 5200 or 5250 will stop a sub-water line leak. Should I try this or is there a better solution?


12:30AM | 08/14/05
Member Since: 12/27/02
545 lifetime posts
I may be wrong but isn't Velux part of the VKR Group? I don't think they are affiliated with Anderson doors & windows?

I've placed Velux for most of my 30 years in the biz and never had any leak and won't use any other kind? Just to give you an idea how many, just last week I put in another 3 one a remote.

It will depend on where your leak is located, but if it's the glass that is simple to reglaze, remove it and take it ti the glass center? If it's the glass to frame just retape it, with glazing tape, if it's the flashing have a profesional replace it with the velux kit, that is made for the velux window it works the best and I have found is less expensive than having it bent.

Caulking is not a solution, just a temporary fix in this situation.. if we are talking skylights even? Ha, it could be an Anderson window or door of some kind?

Alter Eagle Construction & Design


01:15PM | 08/14/05
Member Since: 11/06/02
1284 lifetime posts
whole lotta confusion going on here.

Andersen is one company and Velux is another.

velux is the caddilac of skylights

Andersen just started trying to copy them a few years ago

both are good companies, but I would take a Velux any day, because of a strong track record.

most skylight leaks are caused by improper installation anyuway. That is the cause I believe is suspect here since they lleaked from day one.

Excellence is its own reward!


06:53AM | 02/01/08
Member Since: 01/17/08
1 lifetime posts
Velux Skylights are not part of Andersen Window. They are a European company. The do have very nice skylights. You can check them out at

Good Luck,



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