Is Old Crawl Space Butyl Tape Reusable?

Q: What happens to butyl tape when you replace the vapor barrier in a few years? Is old butyl tape reusable for the new vapor barrier? Would I have to apply a new strip of butyl tape under or over the currently installed rubberized butyl tape? A: I don’t recommend using old butyl tape if…

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Can I Install New Plastic Over Old in Crawl Space

I received a question about installing new plastic over old plastic in the crawl space. Installing plastic in the crawl space is both vital, but can also be labor-intensive. Many try to make the process easier by throwing the new vapor barrier over the old vapor barrier to save time and money, but is this…

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