Hey, Sorry for the delay- I lost the post. Anyway - yes, that is the sealant- 3M 101. Works very nice, not all runny like BoatLife. It is not to bad to remove,unlike the 5200 which is near impossible, acetone when still wet, razor when dry.
With the epoxy, go for the brown thickener, I'll look up the # tomorrow. It is called the "low density" filler by West Systems, it sands out real nice.
As far as pinholes, do not heat the area after the epoxy is rolled out- the heat will generate air bubbles from the wood substrate, you can heat it before hand and then apply the epoxy afterwards
Good luck -Doug