I'm replacing the hatch lenses. I removed one of each size, and have the new ones cut and ready to go on, but it's still too cold for the recommended application of Sikaflex. I'm removing the winter cover tomorrow (Mon.) I used pieces of plywood bolted to a 2x3 to cover each hatch that had the lense removed, but that's not water tight. My plan is to put the original lenses back in temporarily, until the weather warms up a bit.

I could use masking tape or similar, just to cover the lense to frame joint. I also thought of using butyl tape, of which I have a large supply. This would make a good, watertight temporary seal. I'm a little concerned that it might leave some sort of residue that might prevent the Sikaflex from adhering properly, when I do the permanent installation. Anyone think that would be a problem? If so, a taping I will go.