What kind of sealant is this?

[Whippoorwill]

In taking a look at my roof, there is a slightly different sealant used at the corners (please see picture). It's not the Dicor that's used most everywhere else. It's more flexible and "gummy" in consistency. Please advise is you know what type sealant this is.

Thanks!

[cw3jason]

I do not know, but I went right over it with Alpha beige 1015 self leveling because I had gaps too. Sealed up with no problems. re sealed that whole edge all the way across.

[p4lrjfd]

I would like to know as well. I don't think self-levelling Dicor is meant to be used on vertical surfaces (where it slopes down the side).

[cw3jason]

You could use the non self leveling Alpha 1010 I believe, but I used the self leveling without a problem.

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[TrainSafe]

Originally Posted by cw3jason

You could use the non self leveling Alpha 1010 I believe, but I used the self leveling without a problem.

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Yep. this is the truth.

I just did mine in the past weeks and used the self leveling around the major openings, and the non-leveling Dicor product from CW on the rest.

I will add that this stuff deteriorates faster than the regular Dicor. When you pull at it, you will find that it isn't adhered as strongly as it originally was. This creates an increased risk of leaks.

[Lloyd]

Are you guys removing the old stuff and cleaning the area good before applying the new sealant?

I haven't experienced any problems with it pulling up or not adhering.

[cw3jason]

I applied right over the top. No problems with adhering. Just touched it up once or twice a year if it cracked.

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[Lloyd]

Jason, that is one of the reasons I mentioned removing the old stuff. Then cleaning it good with soap, water and brush. Let it dry, and then clean it again with rubbing alcohol. Let that dry, then apply the new caulk.

It's kind of like putting a band aid on a dirty finger. That doesn't stay on or stick very long either.

[OhioMark]

Looks like Dicor lap sealant. You can call Crossroads and tell them your VIN and based on the mfg date and model they can tell you if they used Alpha or Dicor. I was unsure a few years ago and called them and they actually sent me a tube of Dicor for free since the beige at that time wasn't available for resale (it had just come out).

Good luck.

[Whippoorwill]

Here is what I received in a message from a Crossroads retail services rep:

"I am not sure what that is but you will need to use Alpha seal on the roof and possibly an Alpha primer."

[Whippoorwill]

I called Alpha to find out where to get their sealant. It's on the Camping Word website under the brand name "Super Flex." Type "alpha" in the search box and you'll get a page of their products.

[mark5w]

I found it at my local Rv store. It is on sale at CW and they do have beige.

[FKT4387]

Thanks didn't know there was a different kind, probably the same but I'll go with it.