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Dicor Butyl Tape
I use Dicor butyl tape as the gasket layer when I’m reinstalling roof vent parts. It helps fill gaps and creates a solid base seal before I finish everything off with lap sealant.
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Pros
- +Creates a reliable gasket layer under flanges
- +Helps seal uneven surfaces when installed correctly
Cons
- -Can be messy if you over-compress it or don’t trim cleanly
