I have the SF1s and the rubber seal will be the death of me. I agree with the others as to why they don't include adhesive tape on the seal like others do. I constantly had the issue of it folding under the flare. I called RC and tried to determine which way they are suppose to go on. They couldn't give me a clear answer. I then asked about getting a rubber seal with tape already on it since they reference that in their instructions. They said they never had tape on theirs. I again said it was in their instructions but they insisted they hadn't. So I then asked what style they were (Tall wiper, Small wiper, C-Channel etc). They didn't know. Tried to compare some to the one they sent but online pics kind of sucked. So I bought one that had tape and put it on and it helped but I don't think it was the right style for these. So I ended up using some RTV silicone on some areas that still would fold.
So that has been my drama with them. Still not happy but they don't fold under.