Forum Discussion
daamac wrote:
I'm putting a new skylight on my trailer. I have used Eternabond over all caulking on the roof. The new skylight will be installed using butyl caulk between the lip of the skylight and the roof membrane.
Should I:
1) use Eternabond only over the screws and lip of the skylight
2) or should I first use Dicor, let the Dicor cure, and apply Eternabond over the Dicor?
1. definately use the butyl as the first line of defense against leaks.
2. having helped my neighbor (days) remove yards of newby installed Eternabond from his new to him RV trailer I sure wouldn't use it over screw heads if you ever plan on being the next person that may have to remove those screws. I would do it like OEM and simply seal it self leveling Dicor or equivalent product as the second line of defense behind the butyl.
If you decide to use the Eternabond then seal the edges with Dicor as the pro's do. Makes it look OEM instead of like long band aids lay around the roof with exposed edges. Lots of how to you tubes on this subject.
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