Posts Tagged ‘class 1 vapor retarder’
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…Read More
Crawl Space Vapor Barrier FAQs
Many homeowners are unsure if a crawl space vapor barrier is needed. Much less what type of vapor barrier to use. How should the vapor barrier be installed and much more. We will be answering many of these crawl space vapor barrier FAQs and more in this article. If your question is not answered below,…Read More
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…Read More
What is a Class 1 Vapor Retarder?
Crawl spaces require a class 1 vapor retarder to be installed on the exposed dirt to assist in moisture control. Although, moisture control is the goal, rarely is installing a vapor retarder alone able to control moisture. Many builders and home improvement contractors are under the assumption that throwing down plastic controls crawl space moisture…Read More