You must not use HB Fuller's Eternabond Roofseal tape with or even near any silicone product. This goes especially for the Henry's 887 Tropi-Cool, which is 100% silicone, and Flex Seal Liquid p/n LFSWHTR01. This is expressly called out not to do this in the Eternabond data sheet, which can be found on the HB Fuller website. The amazon listing for Eternabond Tape also states this.
1) Check sq footage coverage before beginning. Easy to see on almost any paint product. 2) If coat #1 is 100% Silicone, then all other coats must also be 100% Silicone as nothing else will reliably stick to it. Doesn't matter what brand. Your second coat not sticking has nothing to do with BlackJack, its that it was the wrong product. 3) You should've used mastic on the rivets and seams before coating. That step was skipped entirely. Hope it ends up alright though. Sucks how bad this one went sideways. We've all wasted $10 because we were trying to save $1. Lessons learned for next time.
sorry man, Murphy really had it in for you. Henry Tropicool is chemical bond to your roof, all others are mechanical bond ... that is, just laid up top, as you discovered. Somebody said, once you paint with Henry Tropicool, you married to Henry Tropicool. nothing else sticks to it.
So basically this marbles 2.0 . By mixing Raleighs science museum plus history museum plus Raleigh Pullen park. I completely understand why they charge now.
Im glad no one got hurt, Tropicool is a winner for waterproofing a surface, however that surface now becomes potential slip and fall hazard,,, be soo careful.
I feel so bad that you worked so hard only to be disappointed in the end.. chin up your schooly is beautiful. Thank you for sharing real life events and not just the perfect parts. I admire that. Thank you!
100% silicone with henry but adding blackjack is a no no, what you spent on those others and still needed to get henry 100% silicone bro you must have more $$$ than sense. I do hope you saved your roof in the end
Great video. Thanks for sharing the challenges of the job. It’s not easy as a non-roofer to get the straight skinny on Henry’s 887, application and product consistency. That is so sickening and frustrating about buying someone’s return as new…that a person would use what they needed, then top off the container with water get a full refund, with no possible way for anyone to check the return or any consideration for the harm they might do to another person. Good to know.
In my opinion Your good, if it's not leaking, which probably was your main objective, it's is white and reflecting the sun. Just wait awhile and recoat with the silicone. The other coatings may leave some white chalking on the side of the vehicle as they age but you should be able too remove that with pressure washing. You did a great job You just got messed by someone trying to get over.
...the instructions for Henry 887 say to expect 150sf per gallon of coverage, and you shouldn't need a second coat. But, if you want to apply a 2nd coat it should be between 6 to 48 hours MAX.
I’ve heard that once you use Henry’s Tropicool you cannot really use anything else (at least not a non-silicone product) because it is silicone and other products will not adhere.
The second Henry’s you used and the other product were probably acrylic (water based acrylic) and Henry’s tropicool is silicone (oil) based. Oil and water don’t mix.
The Black Jack Elasta Kool is an elastomeric product. It won't stick to the 100% silicone and needs several days of clear weather. Black Jack Elasta Kote is 100% silicon and should have been fine.
