new gasket problem

I don't pretend to be an authority but was interested in the temp rating of 3M 77 adhesive and checked out the 3m website. This stuff is shown with tech data up to 120 deg. The Rutland type 77 stove cement is advertised for 2000 deg. Wouldn't that be a better match.

Dave

i had a small problem with mine for about 1/10 of a second i think i have figured out why.. i think when i installed my second one (first one left because of a cracked base) i think i pulled it too tight during installation.. here is what happened




i pulled it away from the egg and scraped it with a putty scraper to clean up the rim i sprayed super 77 adhesive on the rim and placed gasket back on the rim, shut the egg, and fired up 24 hours later...... about a week after i had done mine my friend did the same thing to his i went over with a putty scraper and my trusty super 77 and his is all better..... he told me that he had pulled it too tight during installation.... so maybe :unsure: that happened to you.... but no worries with some super 77 and a putty scraper all will be well..... although i have not heard of the top doing that until now.......

I had the same problem. The adhesive to the Nomex gasket is a joke!! I was VERY DISAPPOINTED!! I had to go back and use Gorilla Glue to fix the gasket. I did the prep correctly, too and still had to go back and fix the problem. If I have any more problems I am going to get rid of it and replace it with a Rutland gasket.

John

Yep. That's it. Mine didn't come off all the way around. About half of it was stuck very well. I simply pealed back the loose piece and applied the 77 to it. Hardest part was to remove the "old" glue stuck to the egg. The backing just peeled off, leaving a thin layer of glue. Used the 3M Paint stripper chucked up in my cordless, and a little acetone on a rag. There is a photo of the 3M stripper on the Whiz's site. It is the one used by RRP in his gasket replacement tutorial.

Good advice from Mike on cover anything you don't want sprayed with the 3M 77. Changed my gasket today and I masked the area off good before spraying.

So far I have only used the adhesive which is on the gasket material.

Member Hammer has been testing the Nomex for BGE for a couple of years now. Possibly he will jump in with actual testing info or you can ping him. Ops, I just saw hammer has some posts below.

From the specs you show above the Rutland adhesive looks stronger.

I wouldn't want to use an adhesive that has to be dug or chizled off of the dome or base.

GG

To be fair to BGE, the instructions for the nomex gasket state that it is very important to clean the rim thouroughly, apply acetone and let it dry, then apply the gasket without stretching. They also recommend using an additional spray adhesive and letting it set for 24 hours. For those of you that had gasket failures: did you follow this process exactly?

I just got done installing my nomex gasket and it went on without a problem. Here is the process that I used:
[ol][li]removed the old gasket and scraped the remaining felt off the rim with a putty knife[/li]
[li]sanded the rim with an orbital hand sander and 100 grit paper to clean all the old adhesive and BBQ gunk off the rim (pressed very lightly and just let the sander ride flush across the rim for about 5 minutes)[/li]
[li]repaired a few small chips in the rim with JB Weld Stick and let the epoxy harden for 24 hours[/li]
[li]wiped the rim down good with rubbing alcohol and a clean rag (didn't have acetone on hand), made about 6 passes until the rag came away clean[/li]
[li]let it sit for 3 hours to allow the rubbing alcohol to evaporate and the rim to dry[/li]
[li]applied a thin coat of Duco Cement to the rim and let it set up for 15 minutes - most of the cement was absorbed into the rim but it left a really sticky surface for the gasket to grab on to[/li]
[li]carefully routed the gasket around the rim, pulling with firm but gentle pressure, just enough so that it would curve and stay aligned with the inside edge of the egg[/li]
[li]closed the lid and let it sit for 24 hours while the adhesive set up[/li][/ol]The gasket grabbed so well that I was not able to pull it back up easily once it was laid down. The exterior edges of the gasket even stuck to the spring band rim in a few spots and it was tough to pull loose so I think I have a pretty good seal. My guess would be that the prep work is critical so take your time and do it right.

where the heck have you been..... MIA????

Mightyfine

Tailgating in Baton Rouge is more of a science or art just as it is at many other colleges around the nation. No doubt there are some "fanatics" in Baton Rouge that I don't want to be around, but most will invite you in to break bread and party.