Applying Dicor roof sealant this time of year??

harold1946 wrote:


It is stated on the website.
Recomended temperature is 70F or more.
5 min.- skin over
4 hrs.- waterproof.
48 hrs.-80% cure.
30 days-100% cure.

Hi Harold,

Where did you find the 70F or more part? I was told otherwise by my TT manufacture when I had to change a roof vent under warranty during the winter.

I found this on the Dicor site, just no temperature:

Dicor wrote:
Lap Sealant Cure times.
5 Minutes - Skins over
4 Hours - Waterproof
48 Hours - Cure 80%
30 Days - 100% Cure

From here

And then under installation it states this. The tube I just checked in the basement says the same thing

Dicor wrote:
Directions for Use:
Clean surface of all dirt, loose paint, rust, oil and grease. Allow surface to dry before applying sealant. Use standard caulking equipment to apply sealant. In cold weather, warm container at room temperature before use.

From here

While I agree, if there is a heated building option, take it. In my case that was not an option. I had a bad roof vent on a new camper that rusted big time prematurely. The factory sent me new vents, butyl tape and Dicro. When the products came I read the tube and it said nothing on it about temperature. So I called my TT factory. They told me to keep the products inside the house (room temperature) until they were ready to go on. And that it be at least above freezing outside. They needed the old parts back within 30 days and had no issues with the way I told them I had to install.

I followed what they told me and the repair came out acceptable. The self leveling is a little less then when I use it in the summer, however I have no found ill effects since. It was 40F out when I did this. And this was a warranty situation.

See here.




The new one installed. And this was in Ohio in 2005 and is still OK


Even in the spring time when it is only 65 etc it works well.

Help show us where you found this so we can get this straightened out.

Thanks

John

jbres wrote:
When everyone says it "self levels" what exactly does it mean that it self levels?
thanks!

The stuff I used came in a tube and I used a calk gun to put it on. After it sat awhile instead of being all lumpy like calk it flowed itself into a smoother condition. Sorry I didn't explain that very well but, I'm not very articulate. If you have ever used JB weld It does the same thing.

harold1946 wrote:

It is stated on the website.
Recomended temperature is 70F or more.
5 min.- skin over
4 hrs.- waterproof.
48 hrs.-80% cure.
30 days-100% cure.

Must have missed it. Once l drilled down to the RV roof repair area of the Dicor website EPDM lap sealant and did not find it in the Specs or Installation tabs. I then lost interest. Thanks for the info.

When everyone says it "self levels" what exactly does it mean that it self levels?
thanks!

I would wait til spring.

I agree with the above, I apply it in full sun during the Fall when wrapping up for winter. The temperature is typically lower 60s or upper 50s and that's about as chilly as I'd want to apply the sealant. Even in those temps, it's slow to self-level.

wmoses wrote:
I suggest asking Rudy. This is a good question that is not obviously answered either on the product label of the tube I have or on their website. Kinda dumb if you ask me. Here is a product that is designed to flow in order to finalize the seal which must cure, and there is no specification for application temperature for best performance. Amazing.

It is stated on the website.
Recomended temperature is 70F or more.
5 min.- skin over
4 hrs.- waterproof.
48 hrs.-80% cure.
30 days-100% cure.

I suggest asking Rudy. This is a good question that is not obviously answered either on the product label of the tube I have or on their website. Kinda dumb if you ask me. Here is a product that is designed to flow in order to finalize the seal which must cure, and there is no specification for application temperature for best performance. Amazing.

I'm not certain but, I think it says in the Dicor instructions that it has to be 70 degrees.

I suggest you wait if you are unable to get it in a heater area. Tyvek is waterproof.
The Dicor sealent works best when it is warm and the areas being sealed should be clean and dry.
Overnight in a heated garage should be plenty of time for it to cure.